Growing community of inventors

Tokyo, Japan

Yuji Hirasawa

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 = 4

Yuji HirasawaKenichi Fujita (1 patent)Yuji HirasawaYukio Kodama (1 patent)Yuji HirasawaSatoshi Okutsu (1 patent)Yuji HirasawaIchiro Toyoda (1 patent)Yuji HirasawaMasashi Sawamura (1 patent)Yuji HirasawaYuji Hirasawa (1 patent)Kenichi FujitaKenichi Fujita (60 patents)Yukio KodamaYukio Kodama (12 patents)Satoshi OkutsuSatoshi Okutsu (10 patents)Ichiro ToyodaIchiro Toyoda (5 patents)Masashi SawamuraMasashi Sawamura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Ink Mfg. Co., Ltd. (1 from 105 patents)


1 patent:

1. 6716897 - Colored composition for color filter and color filter

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12/10/2025
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