Growing community of inventors

Ibaraki, Japan

Tomoyuki Hirayama

Average Co-Inventor Count = 1.50

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 14

Tomoyuki HirayamaToshiyuki Iida (5 patents)Tomoyuki HirayamaYutaka Ohmori (5 patents)Tomoyuki HirayamaMiyuki Kurogi (5 patents)Tomoyuki HirayamaHisae Shimizu (5 patents)Tomoyuki HirayamaJunichi Fujisawa (3 patents)Tomoyuki HirayamaNaoyuki Tanaka (2 patents)Tomoyuki HirayamaJunichi Nagase (2 patents)Tomoyuki HirayamaNaoya Sugimoto (2 patents)Tomoyuki HirayamaSatoru Suzuki (2 patents)Tomoyuki HirayamaYuichi Tsujita (1 patent)Tomoyuki HirayamaTakami Hikita (1 patent)Tomoyuki HirayamaTomoyuki Hirayama (26 patents)Toshiyuki IidaToshiyuki Iida (28 patents)Yutaka OhmoriYutaka Ohmori (22 patents)Miyuki KurogiMiyuki Kurogi (11 patents)Hisae ShimizuHisae Shimizu (7 patents)Junichi FujisawaJunichi Fujisawa (12 patents)Naoyuki TanakaNaoyuki Tanaka (27 patents)Junichi NagaseJunichi Nagase (18 patents)Naoya SugimotoNaoya Sugimoto (11 patents)Satoru SuzukiSatoru Suzuki (8 patents)Yuichi TsujitaYuichi Tsujita (50 patents)Takami HikitaTakami Hikita (24 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nitto-Denko Corporation (26 from 3,872 patents)


26 patents:

1. 11421072 - Photosensitive epoxy resin composition for formation of optical waveguide, curable film for formation of optical waveguide, optical waveguide produced by using the resin composition or the curable film, and hybrid flexible printed wiring board for optical/electrical transmission

2. 11377550 - Photosensitive epoxy resin composition for formation of optical waveguide, photosensitive film for formation of optical waveguide, optical waveguide produced by using the epoxy resin composition or the photosensitive film, and hybrid flexible printed wiring board for optical/electrical transmission

3. 10858475 - Photosensitive resin composition for optical waveguide and photocurable film for forming optical waveguide core layer, and optical waveguide and opto-electric transmission hybrid flexible printed wiring board using same

4. 10324255 - Photosensitive epoxy resin composition for formation of optical waveguide

5. 10288770 - Photosensitive epoxy resin composition, curable film for formation of optical waveguide core layer, and optical waveguide and optical/electrical transmission hybrid flexible printed wiring board produced by using the photosensitive epoxy resin composition or the curable film

6. 9989848 - Photosensitive resin composition for optical waveguide, photocurable film for formation of optical waveguide core layer, optical waveguide produced by using the resin composition or the photocurable film, and hybrid flexible printed wiring board for optical/electrical transmission

7. 9963541 - Photosensitive resin composition for optical waveguide, photocurable film for formation of optical waveguide core layer, optical waveguide produced by using the resin composition or the photocurable film, and hybrid flexible printed wiring board for optical/electrical transmission

8. 9903980 - Photosensitive epoxy resin composition for optical waveguide, curable film for formation of optical waveguide, and optical waveguide and optical/electrical transmission hybrid flexible printed wiring board produced by using the photosensitive epoxy resin composition, and optical waveguide production method

9. 9857504 - Optical waveguide photosensitive resin composition, photocurable film for forming optical waveguide core layer, optical waveguide using same, and mixed flexible printed circuit board for optical/electrical transmission

10. 9696621 - Optical waveguide photosensitive resin composition including a diaryliodonium cation-based photoacid generator, photocurable film for forming optical waveguide core layer, optical waveguide using same, and mixed flexible printed circuit board for optical/electrical transmission

11. 9696491 - Photosensitive resin composition for optical waveguide and photocurable film for formation of optical waveguide core layer, as well as optical waveguide using same and mixed-mounting flexible printed wiring board for optical and electrical transmission

12. 9086534 - Optical waveguide forming resin composition, optical waveguide and light transmission flexible printed board produced by using the resin composition, and production method for the optical waveguide

13. 9075303 - Optical waveguide forming epoxy resin composition, curable film formed from the epoxy resin composition for formation of optical waveguide, and light transmission flexible printed board

14. 9034566 - Resin composition for forming optical waveguide and optical waveguide using the composition

15. 8901196 - Liquid resin composition for production of optical waveguide, optical waveguide produced by using the liquid resin composition, and production method of the optical waveguide

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as of
1/8/2026
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