Growing community of inventors

Ibaraki, Japan

Tsutomu Sampei

Average Co-Inventor Count = 6.00

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 = 2

Tsutomu SampeiTomoshi Hirayama (1 patent)Tsutomu SampeiYuichi Machida (1 patent)Tsutomu SampeiYoichi Mizutani (1 patent)Tsutomu SampeiMasato Kajimoto (1 patent)Tsutomu SampeiHisashi Tomita (1 patent)Tsutomu SampeiTsutomu Sampei (1 patent)Tomoshi HirayamaTomoshi Hirayama (37 patents)Yuichi MachidaYuichi Machida (35 patents)Yoichi MizutaniYoichi Mizutani (31 patents)Masato KajimotoMasato Kajimoto (25 patents)Hisashi TomitaHisashi Tomita (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,132 patents)


1 patent:

1. 7140785 - Optical connector assembly

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as of
1/7/2026
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