KO

Kenji Ogiro

HI Hitachi: 38 patents #558 of 28,497Top 2%
HM Hitachi Maxell: 11 patents #65 of 1,211Top 6%
Overall (All Time): #83,436 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
4928191 Tape loading mechanism for a rotating drum and cassette type magnetic recording and/or reproduction apparatus Nobuyuki Kaku, Tatsuya Shigemura, Masaki Uesugi, Kiyoshi Kano 1990-05-22
4924329 Rotary drum apparatus for a magnetic recording and reproducing device Kenmei Masuda, Yoshinori Okada, Akihiro Nakajima, Mashanori Kochi, Kazutoshi Konno 1990-05-08
4862300 Tape guide moving mechanism for magnetic record reproducing apparatus Nobuyuki Kaku, Atsuo Osawa, Takashi Sasaki, Kouhei Takita 1989-08-29
4837646 Tape guide apparatus for helically wound tape Kyuichiro Nagai, Nobuyuki Kaku 1989-06-06
4789912 Magnetic recording and reproducing apparatus of rotary head type Kenmei Masuda, Toshimichi Terada, Shozo Yokoo, Osamu Uchiyama 1988-12-06
4780783 Locking device for a cover of magnetic tape cartridge Atsuo Osawa, Nobuyuki Kaku, Shinichi Goto 1988-10-25
4748521 Magnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tape Atsuo Osawa, Shouzou Yokoo, Hidekazu Takeda 1988-05-31
4712149 Recording tape cassette Shinichi Goto 1987-12-08
4660784 Tap cartridge Takashi Sumida, Sigeo Sasaki, Takao Ketori, Kazuhiro Fujita 1987-04-28
4583137 Signal-recording/reproducing apparatus Nobuyuki Kaku, Kyuichiro Nagai, Morio Umemura 1986-04-15
4485989 Recording tape cassette Shinichi Gotoh 1984-12-04
4485990 Recording tape cassette Shinichi Gotoh 1984-12-04
4484248 Magnetic recording tape cartridge Shinichi Gotoh 1984-11-20
4419708 Magnetic recording tape cartridge Masayuki Fujisaki, Shinichi Gotoh 1983-12-06