Growing community of inventors

Chiba, Japan

Shigemi Hatanaka

Average Co-Inventor Count = 5.46

ph-index = 4

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 = 85

Shigemi HatanakaToshiyuki Ohmori (4 patents)Shigemi HatanakaHiroaki Kobayashi (3 patents)Shigemi HatanakaYasuhiro Honma (3 patents)Shigemi HatanakaEiichi Saito (3 patents)Shigemi HatanakaNobuyuki Kamishioiri (2 patents)Shigemi HatanakaIchiro Hamano (2 patents)Shigemi HatanakaYasuhiro Homma (1 patent)Shigemi HatanakaShigemi Hatanaka (4 patents)Toshiyuki OhmoriToshiyuki Ohmori (5 patents)Hiroaki KobayashiHiroaki Kobayashi (12 patents)Yasuhiro HonmaYasuhiro Honma (5 patents)Eiichi SaitoEiichi Saito (3 patents)Nobuyuki KamishioiriNobuyuki Kamishioiri (4 patents)Ichiro HamanoIchiro Hamano (2 patents)Yasuhiro HommaYasuhiro Homma (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kao Corporation (3 from 3,603 patents)

2. Shibuya Kogyo Co., Ltd. (1 from 134 patents)

3. Kao Corporation and Shibuya Kogyo Co., Ltd. (1 from 1 patent)


4 patents:

1. 5509524 - Article transportation processing system

2. 5437361 - Article conveyor unit

3. 5375898 - Article holding arrangement

4. 5337796 - Article transportation processing system

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as of
1/2/2026
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