YK

Yukio Kawahara

JL Japan Aviation Electronics Industry, Limited: 1 patents #440 of 728Top 65%
YC Yoshino Kogyosho Co.: 1 patents #202 of 361Top 60%
Overall (All Time): #2,109,609 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7981351 Crystallization method of neck of primary molded product for biaxially-oriented blow-molded bottle-shaped container and jig to be used for the same Daisuke Uesugi, Yoshihiro Iimura, Tadao Hirasawatsu 2011-07-19
5206673 Reflection type overhead projector Keiichi Mori, Akihiro Homma, Toshiya Isobe, Mitsugi Kajikawa, Toshihiro Yonemitsu 1993-04-27