Growing community of inventors

Kyoto, Japan

Yasushi Doi

Average Co-Inventor Count = 3.43

ph-index = 2

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 = 39

Yasushi DoiTakeji Hashimoto (1 patent)Yasushi DoiRyuichi Miyazaki (1 patent)Yasushi DoiHirokazu Takizawa (1 patent)Yasushi DoiYosuke Kakihara (1 patent)Yasushi DoiYoshio Nagao (1 patent)Yasushi DoiYasushi Doi (2 patents)Takeji HashimotoTakeji Hashimoto (15 patents)Ryuichi MiyazakiRyuichi Miyazaki (2 patents)Hirokazu TakizawaHirokazu Takizawa (1 patent)Yosuke KakiharaYosuke Kakihara (1 patent)Yoshio NagaoYoshio Nagao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dainippon Screen Mfg. Co., Ltd. (1 from 1,306 patents)

2. Dainippon Screen Seizo Kabushiki-Kaisha (1 from 130 patents)


2 patents:

1. 4868884 - Image extraction mask

2. 4222247 - Needle selection mechanism for an automatic knitting machine

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