Growing community of inventors

Chigasaki, Japan

Seiji Ishii

Average Co-Inventor Count = 4.00

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 = 20

Seiji IshiiAtsushi Ohta (2 patents)Seiji IshiiMitsuru Hasegawa (2 patents)Seiji IshiiTakeshi Kikuchi (1 patent)Seiji IshiiYukio Kobayashi (1 patent)Seiji IshiiKohichi Hashimoto (1 patent)Seiji IshiiSeiji Ishii (3 patents)Atsushi OhtaAtsushi Ohta (21 patents)Mitsuru HasegawaMitsuru Hasegawa (6 patents)Takeshi KikuchiTakeshi Kikuchi (3 patents)Yukio KobayashiYukio Kobayashi (1 patent)Kohichi HashimotoKohichi Hashimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (3 from 28,546 patents)


3 patents:

1. 7490765 - Method of manufacturing rating label, and program for manufacturing rating label

2. 5783288 - Toner carrier and method of producing the same

3. 5456782 - Toner carrier and method of producing the same

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idiyas.com
as of
12/12/2025
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