Growing community of inventors

Osaka, Japan

Osamu Matsuguma

Average Co-Inventor Count = 1.35

ph-index = 8

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 = 170

Osamu MatsugumaYasushi Watanabe (6 patents)Osamu MatsugumaTetsuya Shimada (1 patent)Osamu MatsugumaKensuke Akamatsu (1 patent)Osamu MatsugumaShuichi Kanazawa (1 patent)Osamu MatsugumaOsamu Matsuguma (16 patents)Yasushi WatanabeYasushi Watanabe (6 patents)Tetsuya ShimadaTetsuya Shimada (6 patents)Kensuke AkamatsuKensuke Akamatsu (3 patents)Shuichi KanazawaShuichi Kanazawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Espec Corporation (13 from 55 patents)

2. Espec Kabushiki Kaisha (3 from 3 patents)


16 patents:

1. D883514 - Stress test chamber

2. D882821 - Door for stress test chamber

3. D782511 - Display screen with graphical user interface

4. D777753 - Display screen with graphical user interface

5. 9551646 - Apparatus for environmental test

6. 9329118 - Environmental chamber

7. D742332 - Control panel

8. D734181 - Temperature and humidity chamber

9. D705676 - Constant temperature chamber

10. D705097 - Constant temperature chamber

11. D705096 - Constant temperature chamber

12. D681845 - Temperature and humidity chamber

13. D681844 - Temperature and humidity chamber

14. D602039 - Icon for a portion of a display screen

15. D602040 - Icon for a portion of a display screen

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as of
1/3/2026
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