RA

Riozo Akiyama

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #4,101,638 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4303848 Discharge lamp and method of making same Kenichi Shimizu, Akihiro Kamiya, Shu Yamazaki, Teruji Makuuchi, Shiichiro Yoshizaki 1981-12-01