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Saitama, Japan

Shigehiro Ishizuka

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 63

Shigehiro Ishizuka ↔ Osamu Tochikubo (2 patents)Shigehiro IshizukaShigehiro Ishizuka (2 patents)Osamu TochikuboOsamu Tochikubo (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. A&d Company, Limited (2 from 81 patents)


2 patents:

1. 6106478 - Sphygmomanometer utilizing optically detected arterial pulsation

2. 5840037 - Sphygmomanometer

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as of
12/7/2025
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