Growing community of inventors

Los Angeles, CA, United States of America

Yasuo Otake

Average Co-Inventor Count = 1.33

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 = 136

Yasuo OtakeTai Inami (1 patent)Yasuo OtakeNancy Yee (1 patent)Yasuo OtakeYasuo Otake (4 patents)Tai InamiTai Inami (2 patents)Nancy YeeNancy Yee (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pentel of America, Ltd. (2 from 23 patents)

2. Other (1 from 832,718 patents)

3. Pentel of American, Ltd. (1 from 1 patent)


4 patents:

1. D366497 - Writing instrument

2. D359759 - Cap for a writing instrument

3. D359757 - Writing instrument

4. 5108287 - Autoclavable drill bit container

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as of
12/11/2025
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