TO

Tomomi Okamoto

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
MC Mitsubishi Chemical: 4 patents #463 of 3,022Top 20%
HS Hitachi-Lg Data Storage: 3 patents #87 of 294Top 30%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
TO Tokuyama: 1 patents #280 of 562Top 50%
Overall (All Time): #90,370 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
6400678 Disc cartridge Kyuichiro Nagai, Atsushi Inoue, Hiroaki Ono 2002-06-04
6349087 Disk cartridge with a disk holding member Kyuichiro Nagai, Hirofumi Taguchi, Hiroaki Ono, Atsushi Inoue, Nobuo Masuoka 2002-02-19
6285642 Disk device with vibration-insulating mechanism Nobuo Masuoka, Atsushi Inoue, Kyuichiro Nagai 2001-09-04
6205105 Disk cartridge and disk cartridge apparatus Atsushi Inoue 2001-03-20
5982719 Disc auto changer for recording or reproducing information on a desired disc of a plurality of discs in a magazine Tatsumi Nishijima, Kyuichiro Nagai, Ikuo Nishida, Kouhei Takita, Katsuyuki Tanaka +3 more 1999-11-09
5959803 Cartridge changer, data storage unit using the changer and apparatus using the data storage unit Nobuyuki Kaku 1999-09-28
5862119 Disc inclining/disc inverting mechanism in a disc storage/playback apparatus Tatsumi Nishijima, Kyuichiro Nagai, Ikuo Nishida, Kouhei Takita 1999-01-19
5683627 Curable electroconductive composition Toshihiro Katayama, Toshitsugu Shimamoto 1997-11-04
5434735 Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head Kenmei Masuda, Nobuyuki Kaku, Shigemitsu Higuchi, Fukuyasu Abe, Shigeyuki Kobata 1995-07-18
5243483 Rotary drum device Hiroaki Ono, Seiji Ono, Shinji Ozaki 1993-09-07
5220472 Rotary drum for video tape recorder Hiroaki Ono, Shinji Ozaki, Kazuo Sakai 1993-06-15
5130875 Multichannel magnetic head having a plurality of head chips fixed on a common head base Hiroaki Ono, Shinji Ozaki, Tsukasa Ohata 1992-07-14