Growing community of inventors

Tokyo, Japan

Masao Utsumi

Average Co-Inventor Count = 3.00

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 = 172

Masao UtsumiTsutomu Watanabe (1 patent)Masao UtsumiYoshihito Ohashi (1 patent)Masao UtsumiKouichi Agata (1 patent)Masao UtsumiTakashi Hamaura (1 patent)Masao UtsumiMasao Utsumi (2 patents)Tsutomu WatanabeTsutomu Watanabe (45 patents)Yoshihito OhashiYoshihito Ohashi (2 patents)Kouichi AgataKouichi Agata (1 patent)Takashi HamauraTakashi Hamaura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Paper Mills Limited (1 from 622 patents)

2. Asec Co., Ltd. (1 from 1 patent)


2 patents:

1. 8978553 - Heat-sensitive lithographic printing plates

2. 5690608 - Ultrasonic apparatus for health and beauty

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idiyas.com
as of
12/11/2025
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