Growing community of inventors

Tokyo, Japan

Masahiro Dohi

Average Co-Inventor Count = 1.76

ph-index = 4

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 = 486

Masahiro DohiKoji Nageno (2 patents)Masahiro DohiKazuyo Kawashima (1 patent)Masahiro DohiKei Nishizawa (1 patent)Masahiro DohiYuiko Hattori (1 patent)Masahiro DohiMasahiro Dohi (5 patents)Koji NagenoKoji Nageno (57 patents)Kazuyo KawashimaKazuyo Kawashima (14 patents)Kei NishizawaKei Nishizawa (10 patents)Yuiko HattoriYuiko Hattori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomy Company, Ltd. (3 from 576 patents)

2. Sony Corporation (2 from 58,129 patents)


5 patents:

1. 10459320 - Portable printer

2. D838761 - Camera

3. D599833 - Digital camera

4. 5406037 - Headphone including means for mounting belt-like suspender

5. 5018599 - Headphone device

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idiyas.com
as of
12/15/2025
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