Growing community of inventors

Kanagawa, Japan

Tsuyoshi Kawashima

Average Co-Inventor Count = 2.49

ph-index = 5

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 = 69

Tsuyoshi KawashimaTakashi Utsunomiya (4 patents)Tsuyoshi KawashimaMitsunori Morita (3 patents)Tsuyoshi KawashimaMasaki Aikawa (3 patents)Tsuyoshi KawashimaNaoyuki Ohkoshi (2 patents)Tsuyoshi KawashimaKazunori Murabayashi (2 patents)Tsuyoshi KawashimaJunichi Sakai (2 patents)Tsuyoshi KawashimaHisatugu Hirabayashi (2 patents)Tsuyoshi KawashimaYusuke Hirata (2 patents)Tsuyoshi KawashimaMarcus Quach (1 patent)Tsuyoshi KawashimaYuta Oki (1 patent)Tsuyoshi KawashimaTsuyoshi Kawashima (12 patents)Takashi UtsunomiyaTakashi Utsunomiya (39 patents)Mitsunori MoritaMitsunori Morita (16 patents)Masaki AikawaMasaki Aikawa (15 patents)Naoyuki OhkoshiNaoyuki Ohkoshi (18 patents)Kazunori MurabayashiKazunori Murabayashi (16 patents)Junichi SakaiJunichi Sakai (14 patents)Hisatugu HirabayashiHisatugu Hirabayashi (13 patents)Yusuke HirataYusuke Hirata (11 patents)Marcus QuachMarcus Quach (3 patents)Yuta OkiYuta Oki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (10 from 13,402 patents)

2. Nissan Motorsports and Customizing Co., Ltd. (2 from 6 patents)


12 patents:

1. D1102988 - Front grille for vehicles

2. D1099759 - Over fender for vehicle

3. D1047832 - Rear spoiler for an automobile

4. D1036326 - Front bumper for an automobile

5. D1036327 - Rear bumper for an automobile

6. D987137 - Rear combination lamp for automobile

7. D985159 - Headlamp for automobile

8. D965486 - Front bumper for an automobile

9. D965487 - Rear bumper for an automobile

10. D896128 - Automobile and/or toy replica thereof

11. D675355 - Headlamp for a vehicle

12. D675354 - Headlamp for a vehicle

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as of
12/16/2025
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