Growing community of inventors

Tokyo, Japan

Toshiaki Kumagawa

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 = 1

Toshiaki KumagawaNorifumi Tasaka (1 patent)Toshiaki KumagawaShuichi Takemoto (1 patent)Toshiaki KumagawaTakahide Toshito (1 patent)Toshiaki KumagawaShunichi Hashimoto (1 patent)Toshiaki KumagawaMinoru Nagata (1 patent)Toshiaki KumagawaHisakatu Ochi (1 patent)Toshiaki KumagawaToshiaki Kumagawa (1 patent)Norifumi TasakaNorifumi Tasaka (12 patents)Shuichi TakemotoShuichi Takemoto (9 patents)Takahide ToshitoTakahide Toshito (3 patents)Shunichi HashimotoShunichi Hashimoto (2 patents)Minoru NagataMinoru Nagata (2 patents)Hisakatu OchiHisakatu Ochi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Engineering, Ltd. (1 from 37 patents)

2. Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. (1 from 25 patents)


1 patent:

1. 8040559 - Print management system, method and computer-readable medium containing program for the same

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1/8/2026
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