AH

Akikazu Harada

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Device Eng. Co.: 1 patents #1 of 27Top 4%
HC Hitachi Heating Appliances Co.: 1 patents #20 of 45Top 45%
📍 Mobara, JP: #332 of 731 inventorsTop 50%
Overall (All Time): #1,670,795 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4833367 Magnetron with resonant choke structure for supressing unwanted harmonics 1989-05-23
4749973 Waveguide filter used in a microwave oven Kazuo Kaneko, Kohji Iwabuchi 1988-06-07
4742272 Magnetron Jiro Kusano, Seiji Kitakaze 1988-05-03