Growing community of inventors

Tokyo, Japan

Friedrich F Frenkler

Average Co-Inventor Count = 3.60

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 = 23

Friedrich F Frenkler ↔ Noritaka Uchibori (2 patents)Friedrich F Frenkler ↔ Masayuki Ono (2 patents)Friedrich F Frenkler ↔ Akira Suzuki (2 patents)Friedrich F Frenkler ↔ Hitoshi Igarashi (1 patent)Friedrich F Frenkler ↔ Kaneko Isao (1 patent)Friedrich F FrenklerFriedrich F Frenkler (3 patents)Noritaka UchiboriNoritaka Uchibori (11 patents)Masayuki OnoMasayuki Ono (5 patents)Akira SuzukiAkira Suzuki (4 patents)Hitoshi IgarashiHitoshi Igarashi (86 patents)Kaneko IsaoKaneko Isao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (3 from 33,404 patents)


3 patents:

1. D321902 - Automatic paper feeder for printer

2. D321714 - Printer for electronic computer

3. D316563 - Printer

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idiyas.com
as of
12/7/2025
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