Growing community of inventors

Osaka, Japan

Takashi Doi

Average Co-Inventor Count = 2.40

ph-index = 2

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

Takashi DoiAkimi Shutou (2 patents)Takashi DoiYoshio Ishida (1 patent)Takashi DoiTakashi Doi (2 patents)Akimi ShutouAkimi Shutou (4 patents)Yoshio IshidaYoshio Ishida (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Diamond Electric Mfg. Co., Ltd. (2 from 28 patents)


2 patents:

1. 6725910 - Heat pipe and method for processing the same

2. 5983995 - Radiator

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as of
1/10/2026
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