Growing community of inventors

Tokyo, Japan

Koji Asako

Average Co-Inventor Count = 4.41

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 = 28

Koji AsakoMitsuo Takahashi (3 patents)Koji AsakoShigeru Arai (2 patents)Koji AsakoYoshihiro Sato (2 patents)Koji AsakoMasashi Inoue (2 patents)Koji AsakoKazuhiko Kageyama (2 patents)Koji AsakoKeizou Uchioke (2 patents)Koji AsakoYasutoshi Kawabata (2 patents)Koji AsakoTomohiro Nakagawa (2 patents)Koji AsakoYoshio Muto (1 patent)Koji AsakoKoji Asako (5 patents)Mitsuo TakahashiMitsuo Takahashi (11 patents)Shigeru AraiShigeru Arai (31 patents)Yoshihiro SatoYoshihiro Sato (9 patents)Masashi InoueMasashi Inoue (8 patents)Kazuhiko KageyamaKazuhiko Kageyama (6 patents)Keizou UchiokeKeizou Uchioke (4 patents)Yasutoshi KawabataYasutoshi Kawabata (2 patents)Tomohiro NakagawaTomohiro Nakagawa (2 patents)Yoshio MutoYoshio Muto (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Copal Company Limited (3 from 192 patents)

2. Fujitsu Corporation (2 from 39,245 patents)

3. Fuji Photo Film Company, Limited (2 from 16,458 patents)


5 patents:

1. 6348962 - Device for image-shooting both sides of documents

2. 6069681 - Device for image shooting both sides of documents

3. 5917796 - Magneto-optical disk apparatus having an ejector arm and magnetic field

4. 5771217 - Magneto-optical disk apparatus having a ejector arm and magnetic field

5. 4811137 - Disk cartridge shutter opening and closing mechanism

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as of
1/10/2026
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