Growing community of inventors

Sagamihara, Japan

Yasuo Isashi

Average Co-Inventor Count = 1.55

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 = 191

Yasuo IsashiToshiyuki Toyofuku (2 patents)Yasuo IsashiShigeo Hayashi (1 patent)Yasuo IsashiFuminori Ueno (1 patent)Yasuo IsashiKaoru Kaneko (1 patent)Yasuo IsashiYasuo Isashi (4 patents)Toshiyuki ToyofukuToshiyuki Toyofuku (23 patents)Shigeo HayashiShigeo Hayashi (83 patents)Fuminori UenoFuminori Ueno (8 patents)Kaoru KanekoKaoru Kaneko (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Olympus Optical Company, Ltd. (3 from 5,729 patents)

2. Olympus Corporation (1 from 8,205 patents)


4 patents:

1. 6750916 - Protective lid having a flash unit incorporated therein for a digital camera

2. 5978602 - Photographic lens unit and photographing method

3. 5898600 - Portable information processing apparatus

4. 5719799 - Portable information processing apparatus

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as of
1/22/2026
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