HK

Hiroshi Koyama

DI Daicel Chemical Industries: 1 patents #27 of 96Top 30%
DE Denso: 1 patents #307 of 1,117Top 30%
NC Nhk Spring Co.: 1 patents #16 of 71Top 25%
YU Yupo: 1 patents #2 of 12Top 20%
📍 Tokyo, CO: #3 of 9 inventorsTop 35%
Overall (2005): #12,354 of 245,428Top 6%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6923632 Method and apparatus for forming a casting which includes an insert Tsutomu Onoue, Keigo Asano, Tadatsugu Nakamura, Izuru Shoji 2005-08-02
6914719 Light reflector Tomotsugu Takahashi 2005-07-05
6900360 High-purity 1,3-butylen glycol, process for producing 1,3-butylene glycol, and process for producing by-product butanol and butyl acetate Yasuo Tsuji, Hiroaki Uenakai 2005-05-31
6871865 Hollow stabilizer Tsutomu Furuyama, Yoshihiro Koshita, Jun Umeno, Koichi Tamatsu 2005-03-29