Growing community of inventors

Shizuoka, Japan

Chizu Otani

Average Co-Inventor Count = 7.00

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 = 14

Chizu Otani ↔ Fumio Matsuoka (1 patent)Chizu Otani ↔ Naoji Ichise (1 patent)Chizu Otani ↔ Toshiya Okubo (1 patent)Chizu Otani ↔ Yasushi Takeda (1 patent)Chizu Otani ↔ Chieko Arita (1 patent)Chizu Otani ↔ Yoshishige Yoshioka (1 patent)Chizu OtaniChizu Otani (1 patent)Fumio MatsuokaFumio Matsuoka (11 patents)Naoji IchiseNaoji Ichise (3 patents)Toshiya OkuboToshiya Okubo (2 patents)Yasushi TakedaYasushi Takeda (2 patents)Chieko AritaChieko Arita (1 patent)Yoshishige YoshiokaYoshishige Yoshioka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unicharm Corporation (1 from 1,645 patents)

2. Unitika Ltd. (1 from 390 patents)


1 patent:

1. 5905046 - Biodegradable and hydrolyzable sheet

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as of
12/12/2025
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