Growing community of inventors

Shinjuku-ku, Japan

Takashi Haginiwa

Average Co-Inventor Count = 4.00

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 = 22

Takashi Haginiwa ↔ Seiichi Nishikawa (1 patent)Takashi Haginiwa ↔ Hiroo Saitou (1 patent)Takashi Haginiwa ↔ Naohisa Suzuki (1 patent)Takashi HaginiwaTakashi Haginiwa (1 patent)Seiichi NishikawaSeiichi Nishikawa (10 patents)Hiroo SaitouHiroo Saitou (1 patent)Naohisa SuzukiNaohisa Suzuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (1 from 3,196 patents)


1 patent:

1. 7597259 - SIM reader/writer and cellular phone

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as of
12/17/2025
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