Growing community of inventors

Gunma, Japan

Tsugumasa Hitomi

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 = 16

Tsugumasa HitomiTomoyoshi Tokumaru (2 patents)Tsugumasa HitomiKiminori Mizuuchi (1 patent)Tsugumasa HitomiHidenori Watanabe (1 patent)Tsugumasa HitomiSatoko Machida (1 patent)Tsugumasa HitomiManami Baba (1 patent)Tsugumasa HitomiKouji Sone (1 patent)Tsugumasa HitomiMegumi Onda (1 patent)Tsugumasa HitomiMasaki Yamamoto (1 patent)Tsugumasa HitomiAkira Sakaguchi (1 patent)Tsugumasa HitomiTsugumasa Hitomi (4 patents)Tomoyoshi TokumaruTomoyoshi Tokumaru (14 patents)Kiminori MizuuchiKiminori Mizuuchi (134 patents)Hidenori WatanabeHidenori Watanabe (6 patents)Satoko MachidaSatoko Machida (5 patents)Manami BabaManami Baba (3 patents)Kouji SoneKouji Sone (3 patents)Megumi OndaMegumi Onda (2 patents)Masaki YamamotoMasaki Yamamoto (1 patent)Akira SakaguchiAkira Sakaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Phc Holdings Corporation (3 from 186 patents)

2. Panasonic Corporation (1 from 16,453 patents)

3. Mitsui Chemicals, Inc. (1,787 patents)


4 patents:

1. 11098277 - Culture apparatus and method of controlling culture apparatus

2. 10918755 - Housing apparatus

3. 10816461 - Gas sensor and constant-temperature apparatus

4. 8517534 - Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens

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as of
12/17/2025
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