TO

Tohru Okuda

Sharp Kabushiki Kaisha: 33 patents #380 of 10,731Top 4%
AC Asahi Kasei Chemicals: 1 patents #262 of 543Top 50%
AK Asahi Kasei Kabushiki Kaisha: 1 patents #556 of 1,220Top 50%
Overall (All Time): #98,992 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5323279 Magnetic tape driving apparatus with capstan rotating at different speeds Yoshiyuki Yokomachi, Shigeaki Kakiwaki, Akinori Aratani, Masaji Tsuji 1994-06-21
5311380 Magnetic head positioning device and method Kazuki Murata, Shigeaki Kakiwaki 1994-05-10
5307227 Magnetic recording/reproducing apparatus capable of high-density recording on a magnetic tape guided at high speed Hideo Okada, Hiroaki Takeuchi 1994-04-26
5262908 Tracking control device for magnetic recording/reproducing apparatus Tadashi Iwamatsu, Chiaki Yamawaki 1993-11-16
5259563 Magnetic recording/reproducing apparatus without capstan Shigeaki Kakiwaki, Shigemi Asai, Masaji Tsuji 1993-11-09
5202807 Magnetic head device for providing high recording densities at high speeds Hideo Okada, Hiroaki Takeuchi 1993-04-13
5196969 Head positioning system for serpentine magnetic recording/reproducing system Tadashi Iwamatsu 1993-03-23
5148336 Magnetic recording and reproducing apparatus Shigemi Asai, Masanobu Furukawa, Shigeaki Kakiwaki, Tadashi Iwamatsu 1992-09-15
5016132 Magnetic recording and reproducing tape guide unit Hideo Okada, Takashi Koyama, Osamu Okada, Mamoru Nakatsuka 1991-05-14
4667315 Tight beam position controlling apparatus Yoshikazu Fujii, Tetsuya Inui, Toshihisa Deguchi 1987-05-19