MI

Masuo Ichihara

Sumitomo Electric Industries: 33 patents #399 of 21,551Top 2%
📍 Nara, JP: #93 of 2,795 inventorsTop 4%
Overall (All Time): #109,132 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
D339024 Microwave oven Hisayoshi Matoba 1993-09-07
D330144 Microwave oven Akira Takebata, Masayoshi Kubo 1992-10-13
D329569 Microwave oven Akira Takebata 1992-09-22
D323953 Microwave oven Masayoshi Kubo, Hisayoshi Matoba 1992-02-18
D323761 Microwave oven Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba 1992-02-11
D321454 Microwave oven Hisayoshi Matoba, Masayoshi Kubo 1991-11-12
D318774 Microwave oven Masayoshi Kubo 1991-08-06
D318205 Microwave oven Masayoshi Kubo 1991-07-16
D313149 Microwave oven Kensuke Mizuma, Masayoshi Kubo, Hisayoshi Matoba, Katsutoshi Kido 1990-12-25
D312944 Microwave oven Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba 1990-12-18
D312945 Microwave oven Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba 1990-12-18
D310151 Microwave oven Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba 1990-08-28
D310150 Microwave oven Hisayoshi Matoba, Kensuke Mizuma, Tomoyasu Hiratsuka 1990-08-28
D306117 Combined microwave oven and electric heater cook top Kensuke Mizuma, Katsutoshi Kido 1990-02-20
D305088 Microwave oven Katsutoshi Kido, Masayoshi Kubo, Hisayoshi Matoba, Kensuke Mizuma 1989-12-19
D305087 Microwave oven Kensuke Mizuma, Masayoshi Kubo, Hisayoshi Matoba, Katsutoshi Kido 1989-12-19
D304148 Microwave oven Kensuke Mizuma, Masayoshi Kubo, Hisayoshi Matoba 1989-10-24
D304150 Microwave oven Masayoshi Kubo, Katsutoshi Kido, Kensuke Mizuma, Hisayoshi Matoba 1989-10-24
D302372 Microwave oven Kensuke Mizuma, Masayoshi Kubo, Katsutoshi Kido, Hisayoshi Matoba 1989-07-25
D302227 Microwave oven Masayoshi Kubo, Kensuke Mizuma, Katsutoshi Kido, Hisayoshi Matoba 1989-07-18
D302226 Microwave oven Katsutoshi Kido, Masayoshi Kubo, Kensuke Mizuma, Hisayoshi Matoba 1989-07-18
D300898 Microwave oven Katsutoshi Kido, Masayoshi Kubo, Hisayoshi Matoba, Kensuke Mizuma 1989-05-02
D295822 Microwave oven Masayoshi Kubo, Katsutoshi Kido, Tomoyasu Hiratsuka, Kensuke Mizuma 1988-05-24
D295487 Microwave oven Masayoshi Kubo, Katsutoshi Kido, Tomoyasu Hiratsuka 1988-05-03
D295357 Microwave oven Masayoshi Kubo, Katsutoshi Kido, Tomoyasu Hiratsuka, Kensuke Mizuma 1988-04-26