Growing community of inventors

Tokyo, Japan

Masafumi Takeuchi

Average Co-Inventor Count = 4.44

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 = 44

Masafumi Takeuchi ↔ Chiaki Takubo (1 patent)Masafumi Takeuchi ↔ Morihiko Ikemizu (1 patent)Masafumi Takeuchi ↔ Seiichi Hirata (1 patent)Masafumi Takeuchi ↔ Takayuki Okutomo (1 patent)Masafumi Takeuchi ↔ Yutaka Fukuoka (1 patent)Masafumi Takeuchi ↔ Kimihiro Ikebe (1 patent)Masafumi Takeuchi ↔ Sumio Takeda (1 patent)Masafumi TakeuchiMasafumi Takeuchi (2 patents)Chiaki TakuboChiaki Takubo (63 patents)Morihiko IkemizuMorihiko Ikemizu (11 patents)Seiichi HirataSeiichi Hirata (9 patents)Takayuki OkutomoTakayuki Okutomo (4 patents)Yutaka FukuokaYutaka Fukuoka (3 patents)Kimihiro IkebeKimihiro Ikebe (3 patents)Sumio TakedaSumio Takeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (2 from 52,730 patents)


2 patents:

1. 5892277 - Tab tape and semiconductor device using the tab tape

2. 5448451 - Lead carrier

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as of
12/17/2025
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