Growing community of inventors

Takarazuka-shi, Hyogo, Japan

Masae Tsukumo

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 1

Masae Tsukumo ↔ Zenzaburo Tsukumo (1 patent)Masae Tsukumo ↔ Shinsuke Tsukumo (1 patent)Masae TsukumoMasae Tsukumo (1 patent)Zenzaburo TsukumoZenzaburo Tsukumo (6 patents)Shinsuke TsukumoShinsuke Tsukumo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,966 patents)


1 patent:

1. 4511102 - Bobbin holder

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1/16/2026
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