Growing community of inventors

Tokyo, Japan

Yasuyuki Zanma

Average Co-Inventor Count = 1.20

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

Yasuyuki ZanmaTakayuki Hashimoto (1 patent)Yasuyuki ZanmaYasuyuki Zanma (3 patents)Takayuki HashimotoTakayuki Hashimoto (39 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Stanley Electric Co., Ltd (3 from 1,441 patents)


3 patents:

1. 10612739 - Vehicular lamp

2. 10436411 - Light amount control mechanism for vehicle headlight

3. 8371731 - Vehicle lamp

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as of
1/9/2026
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