Growing community of inventors

Kasugai, Japan

Takashi Ohta

Average Co-Inventor Count = 2.40

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 = 4

Takashi OhtaKeiichiro Watanabe (1 patent)Takashi OhtaMikio Kariya (1 patent)Takashi OhtaNaoki Masui (1 patent)Takashi OhtaTakashi Ohta (2 patents)Keiichiro WatanabeKeiichiro Watanabe (42 patents)Mikio KariyaMikio Kariya (7 patents)Naoki MasuiNaoki Masui (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ngk Insulators, Inc. (2 from 4,916 patents)

2. Ngk Optoceramics Co., Ltd. (1 from 9 patents)


2 patents:

1. 7521870 - Luminous containers and those for high pressure discharge lamps

2. 4865414 - Reinforcing members for connecting optical fibers and production thereof

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as of
12/6/2025
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