Issued Patents All Time
Showing 326–350 of 373 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933796 | Magnetic tape cassette | — | 1990-06-12 |
| 4928287 | Automatic equalizer | — | 1990-05-22 |
| 4924800 | Apparatus for applying photo-resist to substrate | — | 1990-05-15 |
| 4910736 | Encoding method and apparatus for recording data with an identification code and an error check code | Takuji Himeno, Yoichiro Sako | 1990-03-20 |
| 4908451 | Process for preparing .alpha.-substituted carbonyl compound | Toshiyasu Sakakura | 1990-03-13 |
| 4892936 | Process for the preparation or .alpha.-azo esters | Toshiyasu Sakakura | 1990-01-09 |
| 4874993 | Sensorless brushless motor | Toshiya Kan | 1989-10-17 |
| 4871417 | Method and apparatus for surface treating of substrates | Hisao Nishizawa, Masaru Morita | 1989-10-03 |
| 4858848 | Magnetic tape cassette | Takashi Katoku | 1989-08-22 |
| 4843135 | Process for production of ethylene copolymers | Syuji Machida, Michitake Uoi | 1989-06-27 |
| 4832176 | System for automatically distributing and supplying parts | Kuniaki Okuma, IKUO MAEZAWA, Hideharu Koizumi, Hironobu Kida | 1989-05-23 |
| 4833224 | Ethylene copolymers and process for production | Syuji Machida, Michitake Uoi | 1989-05-23 |
| 4820823 | Process of producing .alpha.-keto acids | Toshiaki Kobayashi, Toshiyasu Sakakura | 1989-04-11 |
| 4794602 | Method for error detection | Takuji Himeno | 1988-12-27 |
| 4772714 | Process for the preparation of .alpha.-aryl and .alpha.-heteroaryl ketones | Toshiyasu Sakakura | 1988-09-20 |
| 4772833 | Feedback control system for producing pulse width modulation control signal | — | 1988-09-20 |
| 4769732 | Magnetic tape cassette | — | 1988-09-06 |
| 4697212 | Method and apparatus for recording a digital information signal | Eiichi Osawa, Mamoru Yoshizawa, Jun Nakai, Yuichi Kojima | 1987-09-29 |
| 4689431 | Method for the preparation of phenyl pyruvic acid | Kanji Ohtsuka | 1987-08-25 |
| 4688060 | Pressure sensitive manifold paper | Shinsuke Irii, Tomoharu Shiozaki | 1987-08-18 |
| 4672363 | Frequency modulation coding methods with reduced transition intervals | Takuji Himeno | 1987-06-09 |
| RE32432 | Method and apparatus for decoding digital data | Shunsuke Furukawa | 1987-06-02 |
| 4665443 | Signal recording and reproducing apparatus | — | 1987-05-12 |
| 4562581 | Digital signal transmitting and receiving system for serial data which can be easily decoded | Tadashi Ohtsuki, Yoshikazu Tsuchiya | 1985-12-31 |
| 4559568 | Apparatus for re-recording a digital signal on a record medium and for reproducing the same therefrom | Tetsu Watanabe | 1985-12-17 |