Growing community of inventors

Ibaraki, Japan

Tomoko Watanabe

Average Co-Inventor Count = 5.00

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 = 64

Tomoko Watanabe ↔ Akishi Nakaso (1 patent)Tomoko Watanabe ↔ Toshiro Okamura (1 patent)Tomoko Watanabe ↔ Haruo Ogino (1 patent)Tomoko Watanabe ↔ Yuko Kimura (1 patent)Tomoko WatanabeTomoko Watanabe (1 patent)Akishi NakasoAkishi Nakaso (27 patents)Toshiro OkamuraToshiro Okamura (15 patents)Haruo OginoHaruo Ogino (5 patents)Yuko KimuraYuko Kimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)


1 patent:

1. 4902551 - Process for treating copper surface

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1/11/2026
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