MS

Masaaki Sakurai

Canon: 22 patents #2,832 of 19,416Top 15%
FC Fujikura Kasei Co.: 4 patents #5 of 92Top 6%
NC Nippon Kokan Co.: 2 patents #138 of 735Top 20%
NC Nippon Signal Co.: 2 patents #17 of 78Top 25%
TE Toyo Engineering: 2 patents #62 of 295Top 25%
SR Srl: 1 patents #15 of 47Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
IS Ist: 1 patents #20 of 49Top 45%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
PK Pilot Man-Nen-Hitsu Kabushiki Kaisha: 1 patents #23 of 63Top 40%
📍 Kuki, JP: #2 of 115 inventorsTop 2%
Overall (All Time): #94,408 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4707593 Visible image magnetic card Yasuzo Murata, Takeo Yokoyama, Hiroyuki Wada 1987-11-17
4640600 Fixing device Hiromitsu Hirabayashi 1987-02-03
4618240 Heating device having a heat insulating roller Kazuo Kagiura 1986-10-21
4616917 Fixing device 1986-10-14
4595274 Fixing apparatus 1986-06-17
4580033 Fixing device 1986-04-01
4568275 Fixing device and fixing rotary member therefor 1986-02-04
4525058 Image fixing device Hiromitsu Hirabayashi, Kazuo Kagiura 1985-06-25
4380966 Development apparatus Kazuo Isaka, Kimio Nakahata, Tsuyoshi Watanabe, Fumitaka Kan, Kenji Takeda 1983-04-26
4368971 Developing device Tsuyoshi Watanabe, Kimio Nakahata, Fumitaka Kan 1983-01-18
4359963 Fixing device Takashi Saito, Michio Shigenobu, Tsukasa Kuge, Hiroyuki Adachi 1982-11-23