Growing community of inventors

Tokyo, Japan

Masakazu Shigiishi

Average Co-Inventor Count = 2.80

ph-index = 13

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 = 581

Masakazu ShigiishiNobuo Tsutsumi (19 patents)Masakazu ShigiishiShigeo Kusumi (10 patents)Masakazu ShigiishiNaruhito Higo (1 patent)Masakazu ShigiishiTetsuro Tateishi (1 patent)Masakazu ShigiishiTakeshi Ito (1 patent)Masakazu ShigiishiShinji Yamasoto (1 patent)Masakazu ShigiishiTakafumi Miyachika (1 patent)Masakazu ShigiishiTakaaki Yoshinaga (1 patent)Masakazu ShigiishiShigeo Ohta (1 patent)Masakazu ShigiishiKenichi Yamashita (1 patent)Masakazu ShigiishiKazunori Muta (1 patent)Masakazu ShigiishiJunichi Kubo (1 patent)Masakazu ShigiishiMasakazu Shigiishi (19 patents)Nobuo TsutsumiNobuo Tsutsumi (30 patents)Shigeo KusumiShigeo Kusumi (38 patents)Naruhito HigoNaruhito Higo (42 patents)Tetsuro TateishiTetsuro Tateishi (16 patents)Takeshi ItoTakeshi Ito (16 patents)Shinji YamasotoShinji Yamasoto (9 patents)Takafumi MiyachikaTakafumi Miyachika (9 patents)Takaaki YoshinagaTakaaki Yoshinaga (8 patents)Shigeo OhtaShigeo Ohta (6 patents)Kenichi YamashitaKenichi Yamashita (5 patents)Kazunori MutaKazunori Muta (5 patents)Junichi KuboJunichi Kubo (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hisamitsu Pharmaceutical Company, Inc. (19 from 375 patents)


19 patents:

1. D641621 - Packaging box

2. D634623 - Packaging box

3. D634624 - Packaging box

4. D628063 - Packaging box

5. D621700 - Packaging box

6. D621701 - Packaging box

7. D619015 - Packaging box

8. D618548 - Packaging box

9. D603271 - Packaging box

10. D603270 - Packaging box

11. D578210 - Injector

12. D558062 - Package

13. D554530 - Package

14. D551090 - Package

15. D548616 - Package

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/16/2025
Loading…