Growing community of inventors

Hiroshima, Japan

Yumiko Matsumura

Average Co-Inventor Count = 4.00

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 = 3

Yumiko Matsumura ↔ Shintaro Sakitani (1 patent)Yumiko Matsumura ↔ Koji Fujikawa (1 patent)Yumiko Matsumura ↔ Kotaro Shinzaki (1 patent)Yumiko MatsumuraYumiko Matsumura (1 patent)Shintaro SakitaniShintaro Sakitani (45 patents)Koji FujikawaKoji Fujikawa (8 patents)Kotaro ShinzakiKotaro Shinzaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobelco Construction Machinery Co., Ltd. (1 from 626 patents)


1 patent:

1. D982620 - Cab for a construction machine

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12/13/2025
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