Growing community of inventors

Tokyo, Japan

Tatsuya Chigusa

Average Co-Inventor Count = 7.11

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 = 13

Tatsuya Chigusa ↔ Kazuyuki Fujita (9 patents)Tatsuya Chigusa ↔ Donghai Piao (9 patents)Tatsuya Chigusa ↔ Yoshihiko Moriyama (7 patents)Tatsuya Chigusa ↔ Takayuki Sode (7 patents)Tatsuya Chigusa ↔ Takumi Ozawa (6 patents)Tatsuya Chigusa ↔ Shohei Fujikado (6 patents)Tatsuya Chigusa ↔ Hikaru Wakamatsu (6 patents)Tatsuya Chigusa ↔ Takuma Hachisu (3 patents)Tatsuya ChigusaTatsuya Chigusa (9 patents)Kazuyuki FujitaKazuyuki Fujita (9 patents)Donghai PiaoDonghai Piao (9 patents)Yoshihiko MoriyamaYoshihiko Moriyama (21 patents)Takayuki SodeTakayuki Sode (17 patents)Takumi OzawaTakumi Ozawa (6 patents)Shohei FujikadoShohei Fujikado (6 patents)Hikaru WakamatsuHikaru Wakamatsu (6 patents)Takuma HachisuTakuma Hachisu (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Light Metal Company, Ltd. (9 from 306 patents)

2. Soode Nagano Co., Ltd. (9 from 16 patents)


9 patents:

1. D1104949 - Battery case

2. D1103107 - Battery case

3. D1091451 - Battery case

4. D1091452 - Battery case

5. D1091453 - Battery case

6. D1090422 - Battery case

7. D1076787 - Explosion proof valve for battery case

8. D1070739 - Explosion proof valve for battery case

9. D1066233 - Explosion proof valve for battery case

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idiyas.com
as of
12/16/2025
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