Growing community of inventors

Aichi, Japan

Masahiko Oya

Average Co-Inventor Count = 4.94

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 = 20

Masahiko OyaMasahiro Arakawa (9 patents)Masahiko OyaMasaki Oshima (6 patents)Masahiko OyaYuichiro Haruna (4 patents)Masahiko OyaHidenobu Hanaki (4 patents)Masahiko OyaYuichi Inami (4 patents)Masahiko OyaMasaki Hayashi (3 patents)Masahiko OyaHiroaki Iwashita (3 patents)Masahiko OyaYutaka Kubo (3 patents)Masahiko OyaYosuke Doi (3 patents)Masahiko OyaJunji Murase (3 patents)Masahiko OyaTakanori Matsuyama (1 patent)Masahiko OyaKiyotoshi Sekine (1 patent)Masahiko OyaYuji Fukano (1 patent)Masahiko OyaShinya Saguchi (1 patent)Masahiko OyaHajime Takeuchi (1 patent)Masahiko OyaToshiki Hiramatsu (1 patent)Masahiko OyaShinya Watanabe (1 patent)Masahiko OyaMasahiko Oya (11 patents)Masahiro ArakawaMasahiro Arakawa (11 patents)Masaki OshimaMasaki Oshima (19 patents)Yuichiro HarunaYuichiro Haruna (35 patents)Hidenobu HanakiHidenobu Hanaki (8 patents)Yuichi InamiYuichi Inami (5 patents)Masaki HayashiMasaki Hayashi (60 patents)Hiroaki IwashitaHiroaki Iwashita (25 patents)Yutaka KuboYutaka Kubo (7 patents)Yosuke DoiYosuke Doi (6 patents)Junji MuraseJunji Murase (5 patents)Takanori MatsuyamaTakanori Matsuyama (6 patents)Kiyotoshi SekineKiyotoshi Sekine (5 patents)Yuji FukanoYuji Fukano (4 patents)Shinya SaguchiShinya Saguchi (2 patents)Hajime TakeuchiHajime Takeuchi (1 patent)Toshiki HiramatsuToshiki Hiramatsu (1 patent)Shinya WatanabeShinya Watanabe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Tokai Rika Denki Seisakusho (11 from 2,004 patents)

2. Toyota Jidosha Kabushiki Kaisha (4 from 36,713 patents)


11 patents:

1. 11418953 - Key information generation system and key information generation method

2. 11284253 - Car sharing system

3. 11228600 - Car sharing system

4. 11220239 - Key information generation system and key information generation method

5. 11142166 - Sharing system using valet key

6. 11110894 - Car sharing system

7. 10984616 - Car sharing system and car sharing program

8. 10668896 - Car sharing system and car sharing method

9. 10647298 - Valet key control system and valet key

10. 10596999 - Valet key and method for controlling valet key

11. 10493953 - Car sharing system

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/3/2026
Loading…