Growing community of inventors

Tokyo, Japan

Toshikatsu Hama

Average Co-Inventor Count = 3.33

ph-index = 3

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 = 55

Toshikatsu HamaYasuhiro Ootori (2 patents)Toshikatsu HamaChiyoshi Sasaki (2 patents)Toshikatsu HamaJunji Sotani (2 patents)Toshikatsu HamaMasaru Ohmi (2 patents)Toshikatsu HamaOsamu Murasawa (1 patent)Toshikatsu HamaToshikatsu Hama (3 patents)Yasuhiro OotoriYasuhiro Ootori (38 patents)Chiyoshi SasakiChiyoshi Sasaki (14 patents)Junji SotaniJunji Sotani (13 patents)Masaru OhmiMasaru Ohmi (4 patents)Osamu MurasawaOsamu Murasawa (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,761 patents)

2. Sony Computer Entertainment Inc. (1 from 1,799 patents)


3 patents:

1. 6930891 - Electromagnetic shielding plate, electromagnetic shielding structure, and entertainment system

2. 6742573 - Heat sink including a heat dissipating fin and method for fixing the heat dissipating fin

3. 6357514 - Heat sink including a heat dissipating fin and method for fixing the heat dissipating fin

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as of
12/16/2025
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