Tokyo Ohka Kogyo Co., Ltd.

Japan


Create a watch for Tokyo Ohka Kogyo Co., Ltd.
Total IP 1,552
Total IP Rank # 880
IP Activity Score 3.7/5.0    935
IP Activity Rank # 787
Stock Symbol 41860 (tse)
ISIN JP3571800006
Market Cap. 307146000000.0  (JPY)
Industry Electronic Components
Sector Technology
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

889 37
0 0
594 23
9
 
Last Patent 2026 - Processing solution for semicond...
First Patent 1979 - Photosensitive printing plate
Last Trademark 2025 - tok
First Trademark 1979 - OFPR

Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Processing solution for semiconductor device. Provided is a processing solution for a semiconduc...
Invention Rational solvent formulation for cured photoresist removal. A solvent composition formulated to ...
Invention Processing solution, method for manufacturing processing solution, method for processing substrat...
Invention Resist composition, method for forming resist pattern, compound, and acid diffusion control agent...
Invention Resist material, and pattern formation method. The present invention provides a novel resist mate...
Invention Heteropolyoxometalate having modified lacunary site, or mixture thereof. The present invention pr...
Invention Resist composition and method for forming resist pattern. 22-containing cyclic group, or a carbon...
Invention Resist composition, resist pattern formation method, compound, and polymer compound. Provided is ...
Invention Porous film, method for purifying liquid, filter medium, and filter device. The present invention...
Invention Substrate processing device, liquid supply device, and substrate processing method. A substrate ...
Invention Resist composition, method for forming resist pattern, fluorine-containing polymer compound, and ...
Invention Negative photosensitive adhesive composition, photosensitive adhesive dry film, pattern formation...
Invention Composition and polymer. A composition for selective modification of a base material having a su...
Invention Photosensitive composition, method for forming patterned silicon-containing resin film, and silic...
Invention Photosensitive composition, and method for producing patterned silicon-containing resin film. A ...
Invention Base material and method for producing structure including phase-separated structure. A base mat...
Invention Primer composition, laminate, and method for producing laminate. Provided is a primer compositio...
Invention Resist composition, resist pattern forming method, compound, acid generation agent, acid diffusio...
Invention Photosensitive composition, and method for producing patterned cured film. A photosensitive comp...
Invention Negative photosensitive composition, and method for producing patterned cured film. A negative p...
Invention Porous membrane, resist composition purification method, and resist film manufacturing method. Pr...
Invention Resist composition, resist pattern formation method, compound, acid generator, and acid diffusion...
Invention Resist composition, resist pattern formation method, compound, and polymer compound. This resist ...
Invention Resist composition and method for forming resist pattern. Disclosed is a resist composition which...
Invention Resist composition and method for forming resist pattern. Provided is a resist composition which ...
Invention Resist material, resist material for dry etching, pattern forming method, and structure. The purp...
Invention Resist composition, resist pattern forming method, compound, and acid diffusion control agent. Th...
Invention Processing solution, processing method of semiconductor substrate, and manufacturing method of se...
G/S Diagnostic reagents and preparations, except for medical or veterinary use; diagnostic reagents,...
Invention Resist composition, resist pattern forming method, compound, and polymer compound. The present in...
Invention System, movement mechanism unit, positioning mechanism unit, and culture chip connection mechanis...
Invention Electromagnetic wave absorber and paste for forming electromagnetic wave absorber. Provided are: ...
Invention Resist composition, method for forming resist pattern, compound, acid diffusion control agent, an...
Invention Resist composition, method for forming resist pattern, compound, acid generation agent, and acid ...
Invention Treatment liquid, method for treating semiconductor substrate, and method for manufacturing semic...
Invention Resist composition, resist pattern forming method, compound, acid generator, and acid diffusion c...
G/S Glue and adhesives for industrial purposes; adhesives for use in industry; cement for footwear; ...
2024 G/S Filter cleaning liquid for use in manufacturing processes; cleaning liquid for devices and parts...
G/S Filter cleaning liquid in the nature of detergents for use in manufacturing processes; cleaning l...
2023 Invention Protective film formation agent, and method for manufacturing semiconductor chip. A protective f...
Invention Silicon carbide single crystal substrate processing method, and silicon carbide single crystal su...
Invention Processing method for silicon carbide single crystal substrate, silicon carbide single crystal su...
G/S Coating agents being chemicals other than for paint for use in industry; radiative coolants; radi...
G/S Chemicals; coating agents being chemicals other than for paint; radiative coolants; radiative co...
Invention Metal oxide disperson and method for manufacturing metal oxide film using same. Provided is a me...
Invention Diffusing agent composition, and method for manufacturing semiconductor substrate. A diffusing a...
Invention Chemical loop reaction system. To improve operational efficiency by effectively utilizing produc...
Invention Photosensitive resin composition. A photosensitive resin composition that provides a polyimide r...
G/S Chemical compositions for use in nanoimprint lithography
Invention Resist composition, resist pattern formation method, compound, and acid generation agent. A resi...
Invention Composition and photosensitive composition. A photopolymerizable compound (A) and inorganic part...
2022 Invention Resist composition and method for forming resist pattern. A resist composition that contains an ...
G/S Laboratory apparatus and instruments for scientific research purposes in the nature of microchips...
G/S Laboratory apparatus and instruments; laboratory apparatus and instruments for drug; laboratory ...
2021 Invention Resist composition and method for forming resist pattern. A resist composition comprising a base...
G/S Industrial chemicals; chemical preparations for use in industry; chemical preparations for use in...
G/S Chemicals; industrial chemicals; chemical preparations for use in industry; chemical preparation...
2020 G/S Chemicals for use in industry; chemicals for use in the manufacture of electronic components
G/S Chemicals for use in industry; chemicals for use in the manufacture of electronic components.
G/S Albuminized paper, blueprint cloth, blueprint paper, chemical preparations for use in photography...
G/S Chemicals; protective film formation chemical agents; photographic developers; ungluing preparati...
G/S Chemicals, namely, chemicals for the deposition of thin films upon semiconductor wafers for the m...
G/S Chemicals for use in industry and science, in particular, chemical materials for forming protecti...
G/S Laboratory apparatus and instruments for the enrichment, separation, capture, detection and isola...
G/S Chemicals used in industry and science; Diagnostic reagents used in industry and science; Diagnos...
2019 G/S Chemicals for use in the biochemical and chemical industry; reagents for chemical analyses for sc...
G/S photoresists; chemical compositions for developing photographs; chemical compositions for photoli...
2018 G/S Industrial chemicals; chemical compositions for developing photographs; photoresists; chemical co...
G/S chemical stripping solutions for photoresists; chemical agents for removing photoresists in semic...
2017 G/S chemicals, namely, industrial chemicals; chemicals for use in manufacturing electronic components...
G/S Chemicals, namely, industrial chemicals; chemicals for use in manufacturing electronic components...
2016 G/S chemicals for use in the manufacture of semiconductor chips; rinse material chemicals to prevent ...
G/S Polyimide plastic films for commercial and industrial use; polyimide plastic sheets for commercia...
G/S chemicals, namely, chemicals for industrial use, rinse material chemicals to prevent resist patte...
2014 G/S [ Albuminized paper, namely, photosensitive paper; blueprint cloth; blueprint paper; ] chemical p...
G/S Photographic materials, namely, photographic chemicals for shrinking photoresist patterns in a li...
2008 G/S Industrial chemicals, chemicals for use in industry and science not for medical or veterinary use...
G/S Industrial chemicals, scientific chemicals (other than for medical or veterinary use). Semicondu...
G/S Chemical diffusing preparations for solar batteries, high concentrate chemical diffusing prepara...
2007 G/S Chemical stripping preparations; chemical preparations for rinsing; chemicals used in industry; ...
G/S Chemicals for photoresists, namely, stripping solution and rinsing solution; chemicals, namely, s...
G/S Chemicals stripping preparations; chemical rinsing preparations; surface modifiers; industrial c...
G/S Chemical stripping preparations; chemical rinsing preparations; surface modifiers; industrial ch...
2006 G/S Photoresists, namely, organic liquid chemicals used in the fabrication of integrated circuits and...
G/S [ Albuminized paper, blueprint cloth, blueprint paper, ] chemical preparations for use in photogr...
2005 G/S Albuminized paper, blueprint cloth, blueprint paper, chemical preparations for use in photograph...