HI

Hitoshi Iijima

Mitsubishi Electric: 18 patents #1,216 of 25,717Top 5%
SD Showa Denko: 3 patents #59 of 593Top 10%
CK Cabot Supermetals K.K.: 2 patents #4 of 9Top 45%
Canon: 2 patents #12,681 of 19,416Top 70%
CA Cabot: 1 patents #336 of 601Top 60%
SO Sony: 1 patents #17,262 of 25,231Top 70%
GU Global Advanced Metals Usa: 1 patents #13 of 23Top 60%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
📍 Kamakura, JP: #37 of 1,212 inventorsTop 4%
Overall (All Time): #113,826 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4740469 Enzyme-granulating method and granular composition containing enzyme Masayuki Nishinaka 1988-04-26
4709554 Air conditioning apparatus Hiroyuki Umemura, Kenji Matsuda, Tomofumi Tezuka, Kazuaki Isono, Hidenori Ishioka +1 more 1987-12-01
4672822 Refrigerating cycle apparatus Hiroaki Hama 1987-06-16
4671075 Heat pump system Naoki Tanaka, Masaki Ikeuchi 1987-06-09
4568699 Process for producing oxygen-containing hydrocarbon compounds Ken-ichi Sano, Yukimitsu Mita, Shinya Matsuhira, Tetsuo Nakajo 1986-02-04
4499739 Control device for refrigeration cycle Fumio Matsuoka, Kisuke Yamazaki, Hiroshi Kasagi, Yasuo Nakashima, Kiyoshi Sakuma +1 more 1985-02-19
4446704 Air conditioning apparatus with temperature regulated cooling Kisuke Yamazaki, Fumio Matsuoka, Toshizo Nishizawa 1984-05-08