KH

Kenji Hirai

NC Nippon Paper Industries Co.: 15 patents #7 of 535Top 2%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
CC Chugoku Electric Power Co.: 1 patents #53 of 143Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
IH Ihi: 1 patents #624 of 1,178Top 55%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
Overall (All Time): #127,439 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4688004 Frequency-changeable microwave signal generator having plural selectively operated oscillators Yoshinori Kimura 1987-08-18
4648129 Frequency converter Hideki Torizuka 1987-03-03
4588964 Hermetically sealed microwave solid-state oscillator with dielectric resonator tuned by electromagnetically coupled terminating admittance Hideki Torizuka 1986-05-13
4514699 Microwave power amplifier/combiner Keiichiro Kariatsumari 1985-04-30