Inventor

KOYAMA HIROAKI

JP35 patents

⚠️ This page may combine multiple inventors who share the name “KOYAMA HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOYAMA HIROAKI

KANEBO LTD

Process for producing carbon articles

Resin composition containing granular or powdery phenol-aldehyde resin

Resin composition containing granular or powdery phenol-aldehyde resin

Resin composition containing granular or powdery phenol-aldehyde resin

Resin composition containing granular or powdery phenol-aldehyde resin

Composition containing a powder of an inorganic material

Granular or powdery phenol-aldehyde resin and process for production thereof

Granular or powdery nitrogen-containing phenol-aldehyde copolymer resin and process for production thereof

MITSUBISHI PENCIL CO

Clicking-type writing implement

Clicking-type writing implement

Double ended direct-feed type writing implement

Ball-point pen cap

Ball-point pen with back flow stop

High internal water phase water-in-oil emulsified cosmetic and cosmetic liquid applicator

Hair dye and applicator for hair using the same

NIPPON KYNOL INC

Melt-spun drawn or undrawn flame-resistant and antifusing cured epoxy-modified novolak filaments and process for production thereof

Process for producing drawn or undrawn flame-resistant, anti-fusing cured phenolic continuous filaments

Cured novolak fiber-reinforced, chlorinated rubber molded articles having excellent flame-proofness, and process for the preparation thereof

Process for producing cured phenolic filaments having improved drawability

Process for preparing phenolic filaments

NIPPON KAYAKU KK

Gas generator

Gas generator

Gas generator

Gas generator

TOPPAN PRINTING CO LTD

Organic electroluminescence element and method for manufacturing thereof

Catalyst layer for polymer electrolyte fuel cells, membrane-electrode assembly, and polymer electrolyte fuel cell

HONDA MOTOR CO LTD

Mold for casting and method of surface treatment thereof

Mold for casting and method for manufacture thereof

UMENO TAKASHI

Liquid applicator

MITSUBISHI CHEM IND

Granular or powdery phenol-formaldehyde resin and process for production thereof

IMAMURA CHIHIRO

Thin film transistor, method of manufacturing the same, and image display device equipped with thin film transistor

AKAISHI TETSUAKI

Liquid applicator

SAKURAI KIYOKAZU

Cosmetic-containing applicator and replacement brush

KOYAMA HIROAKI

Click-type applicator

NORO DAISUKE

Tool holder