KH

Kazumi Hirai

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Overall (All Time): #762,731 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6133558 Microwave steam heater with microwave and steam generators controlled to equalize workpiece inner and surface temperatures Shigeki Ueda, Fumiko Mori, Ikuhiro Inada, Satomi Uchiyama 2000-10-17
4880952 Heat cooking oven having flat heater units on the outside of the walls thereof Mitsuo Akiyoshi, Yoshio Mitsumoto, Ichiroh Hori 1989-11-14
4745246 High frequency heating apparatus with electric heating device Ichiroh Hori, Mitsuo Akiyoshi, Yoshio Mitsumoto 1988-05-17
4675510 Cooking appliance with self-contained weighing system Kimiaki Yamaguchi 1987-06-23
4675507 Heat cooking apparatus having a flat flexible heater Mitsuo Akiyoshi, Yoshio Mitsumoto, Ichiroh Hori 1987-06-23
4673800 Cooking apparatus with weighing device Mitsuo Akiyoshi, Chikao Nakano, Kenji Watanabe, Satoru Kodama 1987-06-16
4595827 Cooking apparatus with weighing device Mitsuo Akiyoshi, Chikao Nakano, Kenji Watanabe, Satoru Kodama 1986-06-17