Growing community of inventors

Hiratsuka, Japan

Keiichi Takeuchi

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 = 286

Keiichi TakeuchiOsamu Murakami (1 patent)Keiichi TakeuchiToshiyuki Manabe (1 patent)Keiichi TakeuchiJunichi Matsuura (1 patent)Keiichi TakeuchiKeiichi Takeuchi (1 patent)Osamu MurakamiOsamu Murakami (16 patents)Toshiyuki ManabeToshiyuki Manabe (9 patents)Junichi MatsuuraJunichi Matsuura (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hudson Soft Co., Ltd. (1 from 64 patents)

2. Mitsubishi Plastics Industries Limited (1 from 37 patents)

3. Jal Data Communication & Systems Co., Ltd. (1 from 1 patent)


1 patent:

1. 5339239 - Information collecting and/or service furnishing systems by which a user

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12/25/2025
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