Growing community of inventors

Yokohama, Japan

Masataka 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 = 2

Masataka Watanabe ↔ Kunio Kato (1 patent)Masataka Watanabe ↔ Hiromu Yokota (1 patent)Masataka Watanabe ↔ Hajime Namikoshi (1 patent)Masataka Watanabe ↔ Akio Ohnishi (1 patent)Masataka WatanabeMasataka Watanabe (1 patent)Kunio KatoKunio Kato (3 patents)Hiromu YokotaHiromu Yokota (2 patents)Hajime NamikoshiHajime Namikoshi (1 patent)Akio OhnishiAkio Ohnishi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daicel Corporation (1 from 640 patents)

2. The Japan Tobacco Salt Public Corporation (1 from 45 patents)


1 patent:

1. 4068670 - Smoking composition

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as of
12/21/2025
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