Growing community of inventors

Kawasaki, Japan

Ko Kambayashi

Average Co-Inventor Count = 1.85

ph-index = 7

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 = 304

Ko KambayashiShigeru Hidesawa (4 patents)Ko KambayashiHideyuki Motoyama (2 patents)Ko KambayashiTakehiko Sato (1 patent)Ko KambayashiTakashi Hirasawa (1 patent)Ko KambayashiKo Kambayashi (8 patents)Shigeru HidesawaShigeru Hidesawa (16 patents)Hideyuki MotoyamaHideyuki Motoyama (27 patents)Takehiko SatoTakehiko Sato (20 patents)Takashi HirasawaTakashi Hirasawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (8 from 39,238 patents)


8 patents:

1. 6992721 - Image pickup device attachable to electronic apparatus

2. 6948966 - Portable-type information apparatus

3. 6804113 - Portable-type information apparatus

4. 6724615 - Portable-type information apparatus

5. 6519139 - Keyboard and electronic apparatus

6. 6411503 - Portable type information apparatus

7. 5995024 - Keyboard and notebook type computer

8. 5953205 - Portable type information apparatus having a first housing with a

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as of
12/30/2025
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