Growing community of inventors

Sakai, Japan

Masao Tsushi

Average Co-Inventor Count = 1.13

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 = 128

Masao TsushiTakashi Ueda (3 patents)Masao TsushiMasao Tsushi (13 patents)Takashi UedaTakashi Ueda (90 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cateye Co., Ltd. (13 from 231 patents)


13 patents:

1. D437369 - Bicycle exercising machine

2. D433082 - Bicycle exercising machine

3. D365162 - Head lamp for a bicycle

4. D363097 - Stair climber exercise machine

5. D361729 - Speedometer for a bicycle

6. D357878 - Speedometer sensor for a bicycle

7. D354811 - Combined pulsimeter and cord

8. D353690 - Bicycle exercising machine

9. D351036 - Adjustable clip-on light for illuminating a bicycle speedometer

10. D349932 - Exercise bicycle

11. D348641 - Holder of water bottle for bicycle

12. D347484 - Taillight for bicycle

13. D345615 - Taillight for bicycle

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as of
1/23/2026
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