Growing community of inventors

Matsumoto, Japan

Kenya Hayashi

Average Co-Inventor Count = 2.40

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 = 0

Kenya HayashiTetsuhiko Shimizu (1 patent)Kenya HayashiMasafumi Sato (1 patent)Kenya HayashiTsuyoshi Ito (1 patent)Kenya HayashiYasuko Tagaya (0 patent)Kenya HayashiYasuko Tagaya (0 patent)Kenya HayashiKenya Hayashi (2 patents)Tetsuhiko ShimizuTetsuhiko Shimizu (19 patents)Masafumi SatoMasafumi Sato (13 patents)Tsuyoshi ItoTsuyoshi Ito (9 patents)Yasuko TagayaYasuko Tagaya (0 patent)Yasuko TagayaYasuko Tagaya (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (1 from 33,436 patents)

2. Maxell Izumi Co., Ltd. (1 from 15 patents)

3. Izumi Products Company (123 patents)


2 patents:

1. 10913169 - Reciprocating-type electric shaver

2. 10512833 - Presentation method, swing analysis apparatus, swing analysis system, swing analysis program, and recording medium

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as of
12/16/2025
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