Growing community of inventors

Kyoto, Japan

Risa Saka

Average Co-Inventor Count = 2.23

ph-index = 15

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 = 816

Risa SakaTakako Fujii (12 patents)Risa SakaTakako Hujii (3 patents)Risa SakaYuki Yamazaki (3 patents)Risa SakaToshiko Murakami (1 patent)Risa SakaMai Sudo (1 patent)Risa SakaMitsukuni Yamaguchi (1 patent)Risa SakaRisa Saka (16 patents)Takako FujiiTakako Fujii (18 patents)Takako HujiiTakako Hujii (3 patents)Yuki YamazakiYuki Yamazaki (3 patents)Toshiko MurakamiToshiko Murakami (2 patents)Mai SudoMai Sudo (1 patent)Mitsukuni YamaguchiMitsukuni Yamaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wacoal Corporation (16 from 106 patents)


16 patents:

1. 7559093 - Bottom clothes

2. 7074204 - Garment

3. D495469 - Performance up type, ankle length stars & stripes sports pants

4. D492837 - Under-knee length stars and stripes sports pants

5. D481523 - Ankle length stars and stripes sports pants

6. 6186970 - Protective clothing for regions of lower limb

7. D427750 - Sports shorts

8. D424280 - Sports pants

9. D420781 - Sports pants

10. D413008 - Sports pants

11. 5937442 - Shoulder and arm support garment

12. D412772 - Sports shorts

13. D412610 - Sports shorts

14. D404889 - Sports pants

15. D404538 - Sports pants

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idiyas.com
as of
12/13/2025
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