Growing community of inventors

Iruma-gun, Japan

Masakichi Shimada

Average Co-Inventor Count = 6.46

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 = 45

Masakichi ShimadaNoboru Yamamoto (2 patents)Masakichi ShimadaYoshiro Umemoto (1 patent)Masakichi ShimadaHiroyuki Wakabayashi (1 patent)Masakichi ShimadaKiyotada Narukawa (1 patent)Masakichi ShimadaFumio Kato (1 patent)Masakichi ShimadaKazuo Sei (1 patent)Masakichi ShimadaTamotsu Matsubara (1 patent)Masakichi ShimadaTsuyoshi Kanai (1 patent)Masakichi ShimadaShigeo Yamazaki (1 patent)Masakichi ShimadaTaizo Yamaguchi (1 patent)Masakichi ShimadaMasakichi Shimada (2 patents)Noboru YamamotoNoboru Yamamoto (45 patents)Yoshiro UmemotoYoshiro Umemoto (21 patents)Hiroyuki WakabayashiHiroyuki Wakabayashi (15 patents)Kiyotada NarukawaKiyotada Narukawa (8 patents)Fumio KatoFumio Kato (7 patents)Kazuo SeiKazuo Sei (7 patents)Tamotsu MatsubaraTamotsu Matsubara (4 patents)Tsuyoshi KanaiTsuyoshi Kanai (3 patents)Shigeo YamazakiShigeo Yamazaki (1 patent)Taizo YamaguchiTaizo Yamaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tonen Sekiyukagaku Kabushiki Kaisha (2 from 17 patents)

2. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)

3. Nippondenso Co., Ltd. (1 from 3,252 patents)


2 patents:

1. 4833181 - Polyolefin composition containing cellulose fibers and a deodorizer

2. 4467061 - Weather resistant polyolefin composition

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12/5/2025
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