Growing community of inventors

Tokyo, Japan

Watanabe Tsutomu

Average Co-Inventor Count = 4.00

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 = 16

Watanabe Tsutomu ↔ Watanabe Katsuhito (1 patent)Watanabe Tsutomu ↔ Kanda Yoshinori (1 patent)Watanabe Tsutomu ↔ Fukushima Hisao (1 patent)Watanabe Tsutomu ↔ Chisaka Hiroki (0 patent)Watanabe Tsutomu ↔ Shiota Dai (0 patent)Watanabe Tsutomu ↔ Noda Kunihiro (0 patent)Watanabe Tsutomu ↔ Hanano Kieko (0 patent)Watanabe Tsutomu ↔ Hikida Jiro (0 patent)Watanabe Tsutomu ↔ Ishida Kyohei (0 patent)Watanabe Tsutomu ↔ Uehara Kazuhiro (0 patent)Watanabe Tsutomu ↔ Suzuki Issei (0 patent)Watanabe TsutomuWatanabe Tsutomu (1 patent)Watanabe KatsuhitoWatanabe Katsuhito (2 patents)Kanda YoshinoriKanda Yoshinori (1 patent)Fukushima HisaoFukushima Hisao (1 patent)Chisaka HirokiChisaka Hiroki (0 patent)Shiota DaiShiota Dai (0 patent)Noda KunihiroNoda Kunihiro (0 patent)Hanano KiekoHanano Kieko (0 patent)Hikida JiroHikida Jiro (0 patent)Ishida KyoheiIshida Kyohei (0 patent)Uehara KazuhiroUehara Kazuhiro (0 patent)Suzuki IsseiSuzuki Issei (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Electric Co., Ltd. (1 from 14 patents)

2. Tokyo Ohka Kogyo Co., Ltd. (1,234 patents)

3. Daicel Corporation (640 patents)


1 patent:

1. D252752 - Telephone set

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as of
12/21/2025
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