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Kodaira, Japan

Shouji Umemoto

Average Co-Inventor Count = 3.75

ph-index = 2

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 = 20

Shouji Umemoto ↔ Isamu Takekoshi (1 patent)Shouji Umemoto ↔ Tadashi Ohishi (1 patent)Shouji Umemoto ↔ Masamichi Tsukada (1 patent)Shouji Umemoto ↔ Hiroshi Umetsu (1 patent)Shouji Umemoto ↔ Masatoshi Kitagawa (1 patent)Shouji Umemoto ↔ Hajime Betsui (1 patent)Shouji UmemotoShouji Umemoto (2 patents)Isamu TakekoshiIsamu Takekoshi (27 patents)Tadashi OhishiTadashi Ohishi (16 patents)Masamichi TsukadaMasamichi Tsukada (15 patents)Hiroshi UmetsuHiroshi Umetsu (13 patents)Masatoshi KitagawaMasatoshi Kitagawa (8 patents)Hajime BetsuiHajime Betsui (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,488 patents)


2 patents:

1. D319100 - Immunochemistry analyzer

2. D307398 - Atomic absorption spectrophotometer

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as of
12/10/2025
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