Growing community of inventors

Fuji, Japan

Motomu Koyama

Average Co-Inventor Count = 4.61

ph-index = 3

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 = 68

Motomu KoyamaKazuhiro Sakai (2 patents)Motomu KoyamaAkihiro Ishikawa (2 patents)Motomu KoyamaHiroyuki Saito (1 patent)Motomu KoyamaMikio Ochiai (1 patent)Motomu KoyamaKazuo Matsuyama (1 patent)Motomu KoyamaTakenori Kurata (1 patent)Motomu KoyamaTakeshi Fujimori (1 patent)Motomu KoyamaNaoto Onuma (1 patent)Motomu KoyamaHiroe Inoue (1 patent)Motomu KoyamaMotomu Koyama (3 patents)Kazuhiro SakaiKazuhiro Sakai (2 patents)Akihiro IshikawaAkihiro Ishikawa (2 patents)Hiroyuki SaitoHiroyuki Saito (108 patents)Mikio OchiaiMikio Ochiai (13 patents)Kazuo MatsuyamaKazuo Matsuyama (6 patents)Takenori KurataTakenori Kurata (6 patents)Takeshi FujimoriTakeshi Fujimori (4 patents)Naoto OnumaNaoto Onuma (3 patents)Hiroe InoueHiroe Inoue (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Plast Co., Ltd. (3 from 227 patents)


3 patents:

1. 7357446 - Cowl-top cover

2. 7316448 - Cowl top cover

3. 5678851 - Airbag module cover

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as of
12/7/2025
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