Growing community of inventors

Tokyo, Japan

Kohji Hikawa

Average Co-Inventor Count = 3.00

ph-index = 3

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 = 17

Kohji HikawaSusumu Fujioka (2 patents)Kohji HikawaKanae Amemiya (2 patents)Kohji HikawaKunikazu Tsuda (2 patents)Kohji HikawaMasaaki Kabumoto (1 patent)Kohji HikawaShohji Asanuma (1 patent)Kohji HikawaKohji Hikawa (4 patents)Susumu FujiokaSusumu Fujioka (33 patents)Kanae AmemiyaKanae Amemiya (30 patents)Kunikazu TsudaKunikazu Tsuda (18 patents)Masaaki KabumotoMasaaki Kabumoto (39 patents)Shohji AsanumaShohji Asanuma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (4 from 28,577 patents)


4 patents:

1. 7349131 - Image forming apparatus

2. 7324118 - Super imposed image display color selection system and method

3. 7071950 - Super imposed image display color selection system and method

4. D465224 - Facsimile transmitter-receiver

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