Growing community of inventors

Tokyo, Japan

Akiko Doujo

Average Co-Inventor Count = 6.00

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 = 3

Akiko Doujo ↔ Tsutomu Fujigamori (1 patent)Akiko Doujo ↔ Mituyuki Watanabe (1 patent)Akiko Doujo ↔ Yuji Otake (1 patent)Akiko Doujo ↔ Ryoji Ito (1 patent)Akiko Doujo ↔ Kiyotaka Kido (1 patent)Akiko DoujoAkiko Doujo (1 patent)Tsutomu FujigamoriTsutomu Fujigamori (8 patents)Mituyuki WatanabeMituyuki Watanabe (1 patent)Yuji OtakeYuji Otake (1 patent)Ryoji ItoRyoji Ito (1 patent)Kiyotaka KidoKiyotaka Kido (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Paper Industries Co., Ltd. (1 from 343 patents)

2. Toyo Ink Manufacturing Company (1 from 223 patents)

3. San-Mic Chiyoda Co., Ltd. (1 from 1 patent)


1 patent:

1. 6117563 - Moistureproof paper having shading property and recyclability

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/14/2026
Loading…