1
Takayuki Munemoto, Kazuo Sakai, Fujio Tajima, Tomokazu Ishii, Fumio Takeda, Kouetsu Okuyama, Takeshi Itoh, Shigeyuki Kobata, Kenmei Masuda, Shigemitsu Higuchi: Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head. Hitachi, Antonelli Terry Stout & Kraus, February 27, 1996: US05495371 (15 worldwide citation)

A magnetic recording and reproducing device and a magnetic tape library device are provided for properly recovering a function and issuing a warning when a failure of a magnetic head of the device takes place because of wear and dirt of the magnetic head. Further, a method for maintaining the magnet ...


2
Kenmei Masuda, Toshimichi Terada, Kenji Ogiro, Shozo Yokoo, Osamu Uchiyama: Magnetic recording and reproducing apparatus of rotary head type. Hitachi, Antonelli Terry & Wands, December 6, 1988: US04789912 (13 worldwide citation)

A magnetic recording and reproducing apparatus of rotary head type such as a rotatable video tape recorder has a tape guide for guiding the magnetic tape when the tape runs on and around a cylinder carrying rotary heads. A tape loading movable member carries the tape guide. A tape loading drive is p ...


3
Hideki Maruyama, Kenmei Masuda, Kuniaki Hirayama, Yoshio Uemura, Toshihiko Imachi, Kenkichi Inada, Toshio Tsuchiya: Rotary drum equipment and recording/reproducing equipment using the same. Hitachi, Antonelli Terry Stout & Kraus, August 22, 2000: US06108165 (10 worldwide citation)

An arrangement is designed to achieve satisfactory tape contact by setting a specific ratio for the width of a drum window and the head length of a double azimuth head. The head length L is defined as the distance from the front end of the preceding head to the back end of the succeeding head. When ...


4
Tatsumi Nishijima, Hidekazu Takeda, Kenmei Masuda, Hikaru Mizutani, Yoshimi Maehara, Kenji Ogiro: Tape cartridge and recording reproduction apparatus for the tape cartridge. Hitachi, Hitachi Maxell, Antonelli Terry Stout & Kraus, March 5, 1996: US05497279 (9 worldwide citation)

A tape cartridge is arranged so that when an upper lid of a pocket portion of the tape cartridge is in a position for opening the upper side of the pocket portion, the upper lid is positioned above an upper surface of a casing body so that a lower surface of the upper lid faces the upper surface of ...


5

6
Tatsumi Nishijima, Hidekazu Takeda, Kenmei Masuda, Hikaru Mizutani, Yoshimi Maehara: Cassette loading mechanism for recording and playback apparatus. Hitachi, Hitachi Maxell, Antonelli Terry Stout & Kraus, February 11, 1997: US05602695 (8 worldwide citation)

A cassette loading mechanism for loading either a smaller tape cassette or a larger tape cassette into a recording/reproducing apparatus, having apparatus for causing the large cassette to avoid obstructions in a cassette holder during insertion of the large cassette and of enabling the stable inser ...


7
Hidekazu Takeda, Kenmei Masuda, Nobuyuki Kaku, Tomoki Shoji, Toshihiro Koyama, Kazuo Sakai, Fumio Takeda: Pneumatic static guide for a tape. Hitachi, Antonelli Terry Stout & Kraus, November 5, 1996: US05570831 (6 worldwide citation)

A tape guide device having apertures formed in two tape-winding surfaces of non-rotatable curvature portions. A tape restriction is provided at a connecting portion of the tape guide device interconnecting the curvature portions. A flange is provided on one of the curvature portions for movement alo ...


8
Seiji Ono, Kenmei Masuda, Katsuo Konishi, Hiroyuki Nagatomo: Optical recording and reproducing system. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, April 1, 1997: US05617391 (6 worldwide citation)

An optical recording and reproducing system has an optical recording and reproducing head driving arrangement including an optical pick-up and has an optical recording medium provided between the recording heads. The optical recording and reproducing head is mounted on a rotating arrangement. The he ...


9
Kenmei Masuda, Kenji Ogiro, Yoshinori Okada, Akihiro Nakajima, Mashanori Kochi, Kazutoshi Konno: Rotary drum apparatus for a magnetic recording and reproducing device. Hitachi, Antonelli Terry & Wands, May 8, 1990: US04924329 (5 worldwide citation)

The present invention relates to a magnetic recording and reproducing device wherein reproduction monitoring can be made directly after recording, and more particularly to a construction of a rotary drum for the same. The magnetic recording and reproducing device includes a single recording channel ...


10
Kenmei Masuda, Hidekazu Takeda, Shigeru Yamazaki, Akihisa Obata, Toshio Tsuchiya, Kenkichi Inada, Kuniako Hirayama: High reliability magneto-resistive head cleaning system. Hitachi, Townsend and Townsend and Crew, November 25, 2003: US06654194 (5 worldwide citation)

According to the invention, techniques for cleaning a rotary magneto-resistive head. Embodiments according to the invention are especially useful in tape drive systems, and the like. Embodiments can provide methods and apparatus for cleaning contaminant from rotary magneto-resistive heads while guar ...