Growing community of inventors

Sakai, Japan

Shigekatsu Okada

Average Co-Inventor Count = 1.24

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 = 195

Shigekatsu OkadaTakuji Masui (3 patents)Shigekatsu OkadaAnthony Piazza (2 patents)Shigekatsu OkadaYoshihide Iteya (1 patent)Shigekatsu OkadaDavid Lawrence (1 patent)Shigekatsu OkadaDavid Webster (1 patent)Shigekatsu OkadaShigekatsu Okada (17 patents)Takuji MasuiTakuji Masui (24 patents)Anthony PiazzaAnthony Piazza (32 patents)Yoshihide IteyaYoshihide Iteya (9 patents)David LawrenceDavid Lawrence (1 patent)David WebsterDavid Webster (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (17 from 3,308 patents)


17 patents:

1. 7490965 - Bicycle lighting apparatus with mountable display

2. D580303 - Front chain wheel assembly

3. D580304 - Rear derailleur

4. D545748 - Bicycle hub lever

5. D531944 - Bicycle shifter

6. 7132931 - Bicycle computer and handlebar assembly with bicycle computer

7. D522413 - Bicycle crank arm

8. D521421 - Bicycle pedal

9. D520920 - Bicycle crank

10. D507995 - Bicycle chain case

11. D504359 - Bicycle

12. 6557437 - Handlebar adapter for mounting a bicycle display

13. D453716 - Bicycle display device

14. 6305241 - Handlebar adapter for mounting a bicycle display

15. 6265967 - Display device for bicycle

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as of
1/6/2026
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