Growing community of inventors

Tokyo, Japan

Naoto Tanaka

Average Co-Inventor Count = 3.75

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 = 12

Naoto Tanaka ↔ Keiichi Murai (1 patent)Naoto Tanaka ↔ Kensuke Ito (1 patent)Naoto Tanaka ↔ Toshihiko Homma (1 patent)Naoto Tanaka ↔ Masahiro Hasegawa (1 patent)Naoto Tanaka ↔ Hideyo Kondo (1 patent)Naoto Tanaka ↔ Masayoshi Kagami (1 patent)Naoto TanakaNaoto Tanaka (2 patents)Keiichi MuraiKeiichi Murai (47 patents)Kensuke ItoKensuke Ito (39 patents)Toshihiko HommaToshihiko Homma (19 patents)Masahiro HasegawaMasahiro Hasegawa (16 patents)Hideyo KondoHideyo Kondo (10 patents)Masayoshi KagamiMasayoshi Kagami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (1 from 90,631 patents)

2. Sumitomo Electric Industries, Limited (1 from 10,240 patents)

3. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)


2 patents:

1. 9004781 - Method for reinforcing a splice part and reinforcing structure

2. 4364329 - Electrophotographic device

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as of
12/13/2025
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