Growing community of inventors

Tokyo, Japan

Eiji Hayamizu

Average Co-Inventor Count = 1.05

ph-index = 22

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 = 1,579

Eiji HayamizuTakayuki Ogino (3 patents)Eiji HayamizuKatsuya Tannai (3 patents)Eiji HayamizuJun Kitera (1 patent)Eiji HayamizuMasayoshi Ootsuki (1 patent)Eiji HayamizuEiji Hayamizu (78 patents)Takayuki OginoTakayuki Ogino (16 patents)Katsuya TannaiKatsuya Tannai (4 patents)Jun KiteraJun Kitera (15 patents)Masayoshi OotsukiMasayoshi Ootsuki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pentax Corporation (39 from 1,056 patents)

2. Hoya Corporation (29 from 2,532 patents)

3. Asahi Kogaku Kogyo Kabushiki Kaisha (10 from 3,132 patents)

4. Pentax Industrial Instruments Co., Ltd. (1 from 3 patents)


78 patents:

1. 12204744 - Endoscope processor, program, and information processing method

2. 11966574 - Endoscope processor, non-transitory computer readable medium, and information processing method

3. 11709590 - Endoscope processor, non-transitory computer readable medium, and information processing method

4. D943097 - Endoscope video camera

5. D926314 - Endoscope processor

6. D925566 - Display screen with graphical user interface

7. D925568 - Display screen with transitional graphical user interface

8. D925567 - Display screen with transitional graphical user interface

9. D924914 - Display screen with transitional graphical user interface

10. D827131 - Connector for endoscope

11. D794786 - Water leakage detection device for endoscope

12. D791309 - Holder of a detection device for endoscope

13. D790690 - Holder of a detection device for endoscope

14. D784533 - Endoscope processor

15. D775334 - Endoscope control grip

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as of
1/7/2026
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