Growing community of inventors

Toyohashi, Japan

Joho Katsuo

Average Co-Inventor Count = 7.00

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 = 8

Joho Katsuo ↔ Hirofumi Hasegawa (1 patent)Joho Katsuo ↔ Narutaka Yoshida (1 patent)Joho Katsuo ↔ John E Passafiume (1 patent)Joho Katsuo ↔ Yasushi Tsuda (1 patent)Joho Katsuo ↔ Thomas Howard Miller (1 patent)Joho Katsuo ↔ Paul Allen Rooke (1 patent)Joho KatsuoJoho Katsuo (1 patent)Hirofumi HasegawaHirofumi Hasegawa (31 patents)Narutaka YoshidaNarutaka Yoshida (26 patents)John E PassafiumeJohn E Passafiume (6 patents)Yasushi TsudaYasushi Tsuda (2 patents)Thomas Howard MillerThomas Howard Miller (1 patent)Paul Allen RookePaul Allen Rooke (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lexmark International, Inc. (1 from 3,032 patents)

2. Minolta Company, Ltd. (1 from 2,816 patents)


1 patent:

1. 5697017 - Image forming apparatus having process cartridge with shutter and

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as of
12/27/2025
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