YH

Yukio Hayashi

HI Hitachi: 1 patents #1,056 of 3,189Top 35%
TI Tokai Rubber Industries: 1 patents #14 of 63Top 25%
Overall (2005): #27,704 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6975811 Optical one-to-one protection switching apparatus Sunao Kakizaki, Hideaki Tsushima, Takashi Mori, Masahiro Takatori, Shinichi Kuwano 2005-12-13
6908076 Upper mount of vehicle suspension, including elastic body fixed in metal housing and having sealing lip in contact with inner surface of the housing Koichi Kobayashi, Michiharu Hikosaka, Yorikazu Nakamura 2005-06-21