Growing community of inventors

Tochigi-ken, Japan

Tadashi Ohtsuka

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 = 193

Tadashi OhtsukaKanji Matsutani (1 patent)Tadashi OhtsukaMasatoshi Fukuda (1 patent)Tadashi OhtsukaHaruo Isaki (1 patent)Tadashi OhtsukaTadashi Ohtsuka (1 patent)Kanji MatsutaniKanji Matsutani (64 patents)Masatoshi FukudaMasatoshi Fukuda (18 patents)Haruo IsakiHaruo Isaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Matsutani Seisakusho (1 from 7 patents)


1 patent:

1. 5824009 - Guide instrument for a medical needle with thread

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12/15/2025
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