Issued Patents All Time
Showing 76–100 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602816 | Recording and reproducing system and equalizing method for use in it | Nobutaka Amada, Toshifumi Takeuchi | 1997-02-11 |
| 5585933 | Recording and/or reproducing apparatus for recording and/or reproducing image data compressed according to different compressing methods | Kenji Ichige, Masuo Oku, Hiroo Okamoto | 1996-12-17 |
| 5548152 | Semiconductor device with parallel-connected diodes | — | 1996-08-20 |
| 5532835 | Tracking control in apparatus for fast reproducing digital information signal from magnetic tape | Harushige Nakagaki, Naozumi Sugimura, Yasunori Ohara | 1996-07-02 |
| 5528574 | Disk reproducing apparatus capable of increasing speed of access to disks recorded at constant linear velocity | Toshifumi Takeuchi, Shigeki Inoue, Akio Fukushima, Yutaka Nagai | 1996-06-18 |
| 5442220 | Constant voltage diode having a reduced leakage current and a high electrostatic breakdown voltage | — | 1995-08-15 |
| 5414567 | Magnetic recording and reproducing device | Nobutaka Amada, Toshifumi Takeuchi, Akira Abeta, Kouei Usuda | 1995-05-09 |
| 5388009 | PCM signal recording method and apparatus capable of adding index code to PCM signal recorded at different transmission rates | Yutaka Nagai, Toshifumi Takeuchi, Hiroo Okamoto, Takaharu Noguchi, Shigeyuki Itoh | 1995-02-07 |
| 5352062 | Skid road surface and method for constructing same | Tyuzo Yoshida, Masao Watanabe, Tuyoshi Satoh, Tetsuya Shimoda | 1994-10-04 |
| 5343455 | Digital signal overlapped or joined recording method and apparatus | Toshifumi Takeuchi, Yutaka Nagai, Izumi Kimura | 1994-08-30 |
| 5341248 | Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information | Nobutaka Amada, Harushige Nakagaki, Takaharu Noguchi | 1994-08-23 |
| 5260840 | PCM signal recording system | Yuji Hatanaka, Toshifumi Takeuchi | 1993-11-09 |
| RE34295 | Signal processing circuit | Toshifumi Shibuya, Hiroshi Endoh, Yoshimi Iso, Hiroo Okamoto | 1993-06-29 |
| 5189564 | Magnetic recording/reproducing method and apparatus | Nobutaka Amada, Takaharu Noguchi, Hiroyuki Kimura, Masaharu Kobayashi, Yasufumi Yumde +1 more | 1993-02-23 |
| 5182678 | PCM signal reproducing/recording apparatus | Yuuji Hatanaka, Hiroo Okamoto, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto | 1993-01-26 |
| 5084788 | PCM signal reproducing/recording apparatus | Yuuji Hatanaka, Hiroo Okamoto, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto | 1992-01-28 |
| 5069754 | Papermaking method | Naotaka Watababe, Hitoshi Fujiyoshi, Masako Shirota | 1991-12-03 |
| 4965867 | Offset compensation circuit | Masami Tsuchida, Ichiro Miyake, Tokihiro Takahashi, Shinichi Wakumura, Yoshimi Iso +1 more | 1990-10-23 |
| 4961204 | PCM signal generating/reproducing apparatus | Hiromichi Tanaka, Toshifumi Takeuchi, Seiichi Saito | 1990-10-02 |
| 4942487 | Apparatus for recording/reproducing a digital signal at variable speeds | Takaharu Noguchi | 1990-07-17 |
| 4937686 | Method and apparatus for PCM recording and reproducing an audio signal having an asynchronous relation between the sampling frequency for the audio signal and the rotation frequency of a rotary head scanner | Masaharu Kobayashi, Nobutaka Amada, Yasufumi Yumde, Hiroaki Takahashi | 1990-06-26 |
| 4934003 | Device for transferring the disabled | Kiyoshi Hayakawa, Osamu Tanaka, Hiroshi Iijima, Hiroki Suzuki, Fumiyuki Matsuno +1 more | 1990-06-19 |
| 4912574 | Apparatus for recording digital signal | Masaharu Kobayashi, Takaharu Noguchi | 1990-03-27 |
| 4910681 | Multi-functionality television testing signal generator using digital scheme | Masatosi Ohtake | 1990-03-20 |
| 4843493 | Rotary head type magnetic recording and reproducing apparatus and method of producing tracking control signals therefor | Takashi Furuhata, Yasufumi Yumde, Fujio Okamura, Takaharu Noguchi, Toshifumi Shibuya +2 more | 1989-06-27 |