YH

Yutaka Hirano

TO Toyota: 10 patents #2,889 of 26,838Top 15%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
SC Sanyo Electric Co.: 5 patents #1,180 of 6,347Top 20%
DC Diesel Kiki Co.: 2 patents #108 of 366Top 30%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
SU Sumitomo: 1 patents #19 of 62Top 35%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Overall (All Time): #117,675 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
4392152 Semiconductor device 1983-07-05
4384215 Capacitor element Masahiro Hayakawa, Hideo Ashida, Hideki Ikuta 1983-05-17
4359754 Semiconductor device Masahiro Hayakawa 1982-11-16
4298846 Semiconductor device Nobutoshi Fukuden, Toshiaki Saito 1981-11-03
4298879 Field effect transistor 1981-11-03
4186305 High-temperature microscope Tadami Taoka, Fumio Nakajima, Hisashki Kawamura, Kimio Maru, Kazutoshi Arita +1 more 1980-01-29