Growing community of inventors

Tokyo, Japan

Norihisa Ohta

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 7

Norihisa OhtaIsamu Takano (1 patent)Norihisa OhtaNorihisa Ohta (1 patent)Isamu TakanoIsamu Takano (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Electric Co., Ltd. (1 from 1,038 patents)


1 patent:

1. 4496908 - Negative feedback amplifier having GaAs FET's

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12/20/2025
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