Growing community of inventors

Ichihara, Japan

Yasunori Yokoyama

Average Co-Inventor Count = 2.31

ph-index = 3

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 = 21

Yasunori YokoyamaHisayuki Miki (13 patents)Yasunori YokoyamaKenzo Hanawa (5 patents)Yasunori YokoyamaTakehiko Okabe (4 patents)Yasunori YokoyamaYasumasa Sasaki (2 patents)Yasunori YokoyamaHironao Shinohara (1 patent)Yasunori YokoyamaHiromitsu Sakai (1 patent)Yasunori YokoyamaNaoki Fukunaga (1 patent)Yasunori YokoyamaHiroaki Kaji (1 patent)Yasunori YokoyamaYasunori Yokoyama (16 patents)Hisayuki MikiHisayuki Miki (56 patents)Kenzo HanawaKenzo Hanawa (41 patents)Takehiko OkabeTakehiko Okabe (20 patents)Yasumasa SasakiYasumasa Sasaki (17 patents)Hironao ShinoharaHironao Shinohara (25 patents)Hiromitsu SakaiHiromitsu Sakai (14 patents)Naoki FukunagaNaoki Fukunaga (10 patents)Hiroaki KajiHiroaki Kaji (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Denko K.k. (10 from 1,960 patents)

2. Toyoda Gosei Co., Ltd. (6 from 3,077 patents)


16 patents:

1. 9040319 - Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp

2. 8882971 - Sputtering apparatus and manufacturing method of semiconductor light-emitting element

3. 8765507 - Method for manufacturing group III nitride semiconductor, method for manufacturing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp

4. 8669129 - Method for producing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp

5. 8614454 - Semiconductor light-emitting device, manufacturing method thereof, and lamp

6. 8569794 - Group III nitride semiconductor device and method for manufacturing the same, group III nitride semiconductor light-emitting device and method for manufacturing the same, and lamp

7. 8383439 - Apparatus for manufacturing group-III nitride semiconductor layer, method of manufacturing group-III nitride semiconductor layer, group-III nitride semiconductor light-emitting device, method of manufacturing group-III nitride semiconductor light-emitting device, and lamp

8. 8368103 - Compound semiconductor light-emitting element and method of manufacturing the same, conductive translucent electrode for compound semiconductor light-emitting element, lamp, electronic device, and mechanical apparatus

9. 8273592 - Method of manufacturing group-III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device and lamp

10. 8227359 - Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp

11. 8148712 - Group III nitride compound semiconductor stacked structure

12. 8106419 - Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp

13. 8080484 - Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp

14. 8012784 - Method for producing group III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device, and lamp

15. 7935980 - Method of manufacturing a semiconductor light-emitting device

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as of
12/3/2025
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