KH

Kiyoshi Hirakawa

KC Kuraray Co.: 13 patents #85 of 1,827Top 5%
Nsk: 10 patents #142 of 1,559Top 10%
YE Yaskawa Electric: 4 patents #198 of 1,006Top 20%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
TC Toyoko Kagaku Co.: 1 patents #7 of 21Top 35%
📍 Kurashiki, JP: #12 of 838 inventorsTop 2%
Overall (All Time): #129,021 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5077003 Rolling-part steel and rolling part employing same Tomoki Muraoka 1991-12-31
5059482 Composite fiber and process for producing the same Masao Kawamoto, Kazuhiko Tanaka, Shinji Yamaguchi, Tomoyasu Takegami 1991-10-22
5047448 Antimicrobial-shaped article and a process for producing the same Kazuhiko Tanaka, Kiyoshi Takisawa, Takao Akagi, Masao Kawamoto 1991-09-10
4514459 Woven fabric having a velvety appearance Junyo Nakagawa, Shinji Yamaguchi, Isao Tokunaga, Masaaki Ito 1985-04-30