Growing community of inventors

Yokohama, Japan

Kazumoto Obata

Average Co-Inventor Count = 2.86

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 = 77

Kazumoto ObataWataru Ookubo (2 patents)Kazumoto ObataShinichiro Henda (2 patents)Kazumoto ObataMasayuki Nakamura (1 patent)Kazumoto ObataKeiji Sasaki (1 patent)Kazumoto ObataSunao Morishita (1 patent)Kazumoto ObataYasuhiro Tokunaga (6 patents)Kazumoto ObataKazuki Takahashi (2 patents)Kazumoto ObataMamoru Shibasaka (1 patent)Kazumoto ObataKunihiko Hatazawa (1 patent)Kazumoto ObataKeiji Sasaki (0 patent)Kazumoto ObataKazumoto Obata (5 patents)Wataru OokuboWataru Ookubo (3 patents)Shinichiro HendaShinichiro Henda (2 patents)Masayuki NakamuraMasayuki Nakamura (28 patents)Keiji SasakiKeiji Sasaki (10 patents)Sunao MorishitaSunao Morishita (8 patents)Yasuhiro TokunagaYasuhiro Tokunaga (6 patents)Kazuki TakahashiKazuki Takahashi (5 patents)Mamoru ShibasakaMamoru Shibasaka (3 patents)Kunihiko HatazawaKunihiko Hatazawa (1 patent)Keiji SasakiKeiji Sasaki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Seikan Kaisha, Ltd. (2 from 586 patents)

2. Toyo Seikan Group Engineering Co., Ltd. (2 from 3 patents)

3. Toyo Seikan Group Holdings, Ltd. (1 from 210 patents)


5 patents:

1. 12214410 - Container member supply device

2. 12214409 - Seaming device

3. 9949320 - Container processing device

4. 9003851 - Embossing device, embossing method, and embossed can

5. 6338263 - Method for manufacturing embossed can body, inspecting apparatus used for manufacturing embossed can body, and inspecting method used therefor

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as of
1/8/2026
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