Growing community of inventors

Hyogo, Japan

Keitaro Tamura

Average Co-Inventor Count = 4.84

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 = 63

Keitaro TamuraYasuyuki Fujii (5 patents)Keitaro TamuraHideto Oyama (4 patents)Keitaro TamuraYoshio Itsumi (4 patents)Keitaro TamuraAkio Okamoto (2 patents)Keitaro TamuraKazuki Sakamoto (2 patents)Keitaro TamuraMasanori Kobayashi (1 patent)Keitaro TamuraKoichi Akazawa (4 patents)Keitaro TamuraKazuya Kimijima (1 patent)Keitaro TamuraTohru Shiogama (1 patent)Keitaro TamuraNorikazu Matsukura (1 patent)Keitaro TamuraJun Suzuki (0 patent)Keitaro TamuraYasuyuki Fujii (0 patent)Keitaro TamuraKeitaro Tamura (5 patents)Yasuyuki FujiiYasuyuki Fujii (7 patents)Hideto OyamaHideto Oyama (19 patents)Yoshio ItsumiYoshio Itsumi (8 patents)Akio OkamotoAkio Okamoto (14 patents)Kazuki SakamotoKazuki Sakamoto (7 patents)Masanori KobayashiMasanori Kobayashi (20 patents)Koichi AkazawaKoichi Akazawa (4 patents)Kazuya KimijimaKazuya Kimijima (4 patents)Tohru ShiogamaTohru Shiogama (2 patents)Norikazu MatsukuraNorikazu Matsukura (1 patent)Jun SuzukiJun Suzuki (0 patent)Yasuyuki FujiiYasuyuki Fujii (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kobe Steel, Ltd. (5 from 1,883 patents)

2. Kabushiki Kaisha Kobe Seiko Sho (1,100 patents)


5 patents:

1. 10640859 - Production method of rolled sheet for cold-rolling, and production method of pure titanium sheet

2. D799012 - Heat exchanger tube

3. D776801 - Heat exchanger tube

4. D763804 - Plate for heat exchanger

5. D757662 - Plate for heat exchanger

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as of
12/15/2025
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