Growing community of inventors

Nagano, Japan

Masahiro Kozakai

Average Co-Inventor Count = 2.67

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 = 29

Masahiro KozakaiMitsuo Yokozawa (2 patents)Masahiro KozakaiKiyotsugu Takasawa (1 patent)Masahiro KozakaiNoboru Ueno (1 patent)Masahiro KozakaiMasahiro Kozakai (2 patents)Mitsuo YokozawaMitsuo Yokozawa (16 patents)Kiyotsugu TakasawaKiyotsugu Takasawa (9 patents)Noboru UenoNoboru Ueno (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sankyo Seiki Mfg. Co., Ltd (2 from 264 patents)


2 patents:

1. 6494365 - Card issuing device and method

2. 6398435 - Marking press device for producing raised symbols with or without coloring

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as of
12/18/2025
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