Growing community of inventors

Funabashi, Japan

Kenji Kuwana

Average Co-Inventor Count = 4.80

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 = 26

Kenji KuwanaTakuji Nomura (2 patents)Kenji KuwanaToshiyuki Tezuka (2 patents)Kenji KuwanaNaoki Takashima (2 patents)Kenji KuwanaYukiko Inada (2 patents)Kenji KuwanaAkio Watanabe (2 patents)Kenji KuwanaYoichi Utaka (2 patents)Kenji KuwanaTakahisa Hanajima (2 patents)Kenji KuwanaYumi Watanabe (1 patent)Kenji KuwanaMakoto Nakanishi (1 patent)Kenji KuwanaFumikazu Wakaki (1 patent)Kenji KuwanaKenji Kuwana (4 patents)Takuji NomuraTakuji Nomura (21 patents)Toshiyuki TezukaToshiyuki Tezuka (5 patents)Naoki TakashimaNaoki Takashima (5 patents)Yukiko InadaYukiko Inada (3 patents)Akio WatanabeAkio Watanabe (3 patents)Yoichi UtakaYoichi Utaka (3 patents)Takahisa HanajimaTakahisa Hanajima (2 patents)Yumi WatanabeYumi Watanabe (20 patents)Makoto NakanishiMakoto Nakanishi (5 patents)Fumikazu WakakiFumikazu Wakaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (4 from 28,546 patents)

2. Ricoh Technosystems Co., Ltd. (1 from 1 patent)


4 patents:

1. 7523073 - Charging method and charging apparatus

2. 7359867 - Computer system, server, and method for supporting cooking, and computer program generator

3. 7321866 - Dish-providing assisting system, dish-providing assisting application providing system, dish-providing assisting software and recording medium

4. 7286782 - Charge method, charge apparatus, and charge program for charging usage fee including print fee and format fee of an image forming apparatus

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as of
12/9/2025
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