Growing community of inventors

Yokohama, Japan

Osamu Murakami

Average Co-Inventor Count = 1.66

ph-index = 9

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 = 186

Osamu MurakamiEiichi Yoshioka (5 patents)Osamu MurakamiMasaki Takahashi (3 patents)Osamu MurakamiKaname Suwa (1 patent)Osamu MurakamiJunji Hirooka (1 patent)Osamu MurakamiKeiko Takemata (1 patent)Osamu MurakamiOsamu Murakami (13 patents)Eiichi YoshiokaEiichi Yoshioka (30 patents)Masaki TakahashiMasaki Takahashi (25 patents)Kaname SuwaKaname Suwa (24 patents)Junji HirookaJunji Hirooka (8 patents)Keiko TakemataKeiko Takemata (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (13 from 90,594 patents)


13 patents:

1. 4847640 - Dual-mode recorder system

2. D301885 - Hand held electronic dialer

3. D298324 - Keyboard

4. 4767348 - External memory pack having an opening and a slideable shutter

5. D296697 - Computer

6. D291698 - Memory card for word processor

7. 4683519 - Connection structure

8. D289418 - Desk-top electronic calculator

9. D282853 - Desk-top electronic calculator

10. D282373 - Electronic typewriter

11. D269277 - Desk-top electronic calculator

12. D268422 - Electronic calculator

13. D266855 - Electronic calculator with thermometer and timer

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as of
12/8/2025
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