Growing community of inventors

Hitachinaka, Japan

Yuko Tazawa

Average Co-Inventor Count = 4.80

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 = 48

Yuko Tazawa ↔ Masato Sakai (1 patent)Yuko Tazawa ↔ Masanori Okada (1 patent)Yuko Tazawa ↔ Takeshi Taniguchi (1 patent)Yuko Tazawa ↔ Yoshiki Aoki (1 patent)Yuko Tazawa ↔ Hiroki Uchida (1 patent)Yuko Tazawa ↔ Kenichi Yamada (1 patent)Yuko Tazawa ↔ Shuji Takeda (1 patent)Yuko Tazawa ↔ Atsushi Sumi (1 patent)Yuko TazawaYuko Tazawa (2 patents)Masato SakaiMasato Sakai (57 patents)Masanori OkadaMasanori Okada (55 patents)Takeshi TaniguchiTakeshi Taniguchi (48 patents)Yoshiki AokiYoshiki Aoki (31 patents)Hiroki UchidaHiroki Uchida (18 patents)Kenichi YamadaKenichi Yamada (9 patents)Shuji TakedaShuji Takeda (5 patents)Atsushi SumiAtsushi Sumi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Koki Co., Ltd. (2 from 1,267 patents)


2 patents:

1. D792708 - Storage case for portable tool

2. D628039 - Portable electric driver

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12/6/2025
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