Growing community of inventors

Osaka, Japan

Chihiro Iwasaki

Average Co-Inventor Count = 1.47

ph-index = 7

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 = 137

Chihiro IwasakiAtsushi Tanaka (4 patents)Chihiro IwasakiNancy L Zieman (4 patents)Chihiro IwasakiJoan Hawley (4 patents)Chihiro IwasakiYuji Kawasaki (3 patents)Chihiro IwasakiKumiko Nitta (2 patents)Chihiro IwasakiYui Teramoto (1 patent)Chihiro IwasakiAtsuko Okuma (1 patent)Chihiro IwasakiJuho Viitasalo (1 patent)Chihiro IwasakiChihiro Iwasaki (28 patents)Atsushi TanakaAtsushi Tanaka (49 patents)Nancy L ZiemanNancy L Zieman (15 patents)Joan HawleyJoan Hawley (7 patents)Yuji KawasakiYuji Kawasaki (7 patents)Kumiko NittaKumiko Nitta (8 patents)Yui TeramotoYui Teramoto (5 patents)Atsuko OkumaAtsuko Okuma (4 patents)Juho ViitasaloJuho Viitasalo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clover Mfg. Co., Ltd. (28 from 137 patents)


28 patents:

1. 11297905 - Fastening pin

2. 11098425 - Measurable guiding tool for sewing machine

3. D893325 - Measurable guiding tool for sewing machine

4. 10729198 - Seam ripper

5. D877487 - Retractable seam ripper

6. 10301753 - Presser foot for sewing machine

7. D821086 - Sewing assist clip

8. D789810 - Ironing template

9. 9611574 - Sewing tool holder

10. D779346 - Guiding tool for sewing machine

11. 9441320 - Cloth presser for handicraft

12. D762036 - Iron

13. D758176 - Drawstring retainer

14. 9340920 - Handicraft tool for pressing or supporting cloth or fabric

15. D733417 - Handicraft tool for pressing or supporting cloth or fabric

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idiyas.com
as of
12/9/2025
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