Growing community of inventors

Tokyo, Japan

Nobufusa Kuroki

Average Co-Inventor Count = 1.08

ph-index = 12

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 = 484

Nobufusa Kuroki ↔ Masatomo Amemiya (2 patents)Nobufusa Kuroki ↔ Megumi Nakajima (2 patents)Nobufusa Kuroki ↔ Yoshiaki Eguchi (1 patent)Nobufusa Kuroki ↔ Yoshikazu Ebata (1 patent)Nobufusa Kuroki ↔ Koji Uchida (1 patent)Nobufusa Kuroki ↔ Shigeru Sato (1 patent)Nobufusa KurokiNobufusa Kuroki (56 patents)Masatomo AmemiyaMasatomo Amemiya (6 patents)Megumi NakajimaMegumi Nakajima (3 patents)Yoshiaki EguchiYoshiaki Eguchi (213 patents)Yoshikazu EbataYoshikazu Ebata (25 patents)Koji UchidaKoji Uchida (16 patents)Shigeru SatoShigeru Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Janome Sewing Machine Company Limited (55 from 609 patents)

2. Jamone Sewing Machine Co., Ltd. (1 from 1 patent)


56 patents:

1. D531648 - Sewing machine

2. D529520 - Sewing machine

3. D526337 - Sewing machine

4. D524828 - Sewing machine

5. D520528 - Sewing machine

6. D520027 - Sewing machine

7. D517571 - Sewing machine

8. D517097 - Sewing machine

9. D515110 - Sewing machine

10. D509516 - Sewing machine

11. D506478 - Sewing machine

12. D506213 - Sewing machine

13. D506212 - Sewing machine

14. D505433 - Sewing machine

15. D504692 - Sewing machine

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as of
1/8/2026
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