Growing community of inventors

Tokyo, Japan

Osamu Katsuda

Average Co-Inventor Count = 2.00

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 = 138

Osamu KatsudaKoji Nagaoka (15 patents)Osamu KatsudaTakao Goto (2 patents)Osamu KatsudaTakayuki Funaoka (2 patents)Osamu KatsudaOsamu Katsuda (17 patents)Koji NagaokaKoji Nagaoka (35 patents)Takao GotoTakao Goto (36 patents)Takayuki FunaokaTakayuki Funaoka (14 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nikon Corporation (17 from 8,898 patents)


17 patents:

1. D1104119 - Camera lens

2. D1088096 - Camera lens

3. D1087205 - Camera lens

4. D1057804 - Camera lens

5. D1056998 - Camera lens

6. D1039588 - Camera lens

7. D1039589 - Camera lens

8. D937926 - Camera lens

9. D918285 - Camera lens

10. 10845563 - Camera accessory including a plurality of contact terminals

11. 10831084 - Camera accessory including a plurality of contact terminals

12. D898103 - Camera lens

13. D898104 - Camera lens

14. D885463 - Camera lens

15. D885462 - Camera lens and intermediate adapter for a camera

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as of
1/5/2026
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