Growing community of inventors

Ikeda, Japan

Kenji Tsumura

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 = 8

Kenji Tsumura ↔ Takami Terada (1 patent)Kenji Tsumura ↔ Yukifumi Yamada (1 patent)Kenji TsumuraKenji Tsumura (1 patent)Takami TeradaTakami Terada (34 patents)Yukifumi YamadaYukifumi Yamada (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daihatsu Motor Company, Ltd. (1 from 113 patents)

2. Aishin Seiki Co., Ltd. (1 from 1 patent)


1 patent:

1. 4927110 - Slide locking device for a car seat

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12/12/2025
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