Growing community of inventors

Tokyo, Japan

Keiichi Watanabe

Average Co-Inventor Count = 1.67

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 = 23

Keiichi WatanabeMakoto Kitamura (1 patent)Keiichi WatanabeHiroyuki Ohta (1 patent)Keiichi WatanabeYu Yoshida (1 patent)Keiichi WatanabeKensuke Okonogi (1 patent)Keiichi WatanabeKiyonori Ohyu (1 patent)Keiichi WatanabeTsubasa Ono (1 patent)Keiichi WatanabeKazuo Ogawa (1 patent)Keiichi WatanabeToshihiro Imamura (1 patent)Keiichi WatanabeKeiichi Watanabe (5 patents)Makoto KitamuraMakoto Kitamura (79 patents)Hiroyuki OhtaHiroyuki Ohta (76 patents)Yu YoshidaYu Yoshida (28 patents)Kensuke OkonogiKensuke Okonogi (26 patents)Kiyonori OhyuKiyonori Ohyu (16 patents)Tsubasa OnoTsubasa Ono (9 patents)Kazuo OgawaKazuo Ogawa (9 patents)Toshihiro ImamuraToshihiro Imamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Data Corporation (3 from 1,875 patents)

2. Subaru Corporation (1 from 2,065 patents)

3. Elpida Memory, Inc. (1 from 1,458 patents)


5 patents:

1. 12233861 - Object recognition apparatus and non-transitory recording medium

2. 8777217 - Sheet stacking device and image forming device

3. 8079586 - Feed device and image forming apparatus

4. 8016287 - Sheet stacking device and image forming device

5. 7186632 - Method of fabricating a semiconductor device having a decreased concentration of phosphorus impurities in polysilicon

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as of
12/28/2025
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