Issued Patents All Time
Showing 276–300 of 330 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031088 | Variable-voltage and variable-frequency power converter | — | 1991-07-09 |
| 5010390 | Plastic-molded semiconductor device | — | 1991-04-23 |
| 5003243 | Control apparatus for induction machine | Susumu Tadakuma | 1991-03-26 |
| 4995069 | X-ray tube apparatus with protective resistors | — | 1991-02-19 |
| 4979018 | Semiconductor device with parallel multiplier using at least three wiring layers | — | 1990-12-18 |
| 4972324 | Semiconductor integrated circuit with an improved macro cell pattern | — | 1990-11-20 |
| 4958092 | Integrated circuit device having row structure with clock driver at end of each row | — | 1990-09-18 |
| 4930064 | Phase stabilized high frequency link power converter apparatus having a wide phase controllable range | Kazutoshi Miura | 1990-05-29 |
| 4928295 | High-voltage generating device for use with an X-ray tube | — | 1990-05-22 |
| 4914683 | Anode driving apparatus of rotating anode X-ray tube | — | 1990-04-03 |
| 4906872 | Integrated circuit device | — | 1990-03-06 |
| 4905136 | Power supplying apparatus | — | 1990-02-27 |
| 4903610 | Railway carrier apparatus for semiconductor wafers | Takashi Matsumoto, Tsutomu Shinya, Yoshiyuki Iwasawa, Tsutomu Ishida, Hiroshi Harada +2 more | 1990-02-27 |
| 4902325 | Method for producing glass preform for optical fiber | Michihisa Kyoto, Minoru Watanabe, Motohiro Nakahara | 1990-02-20 |
| 4867629 | Dusttight storage cabinet apparatus for use in clean rooms | Yoshiyuki Iwasawa, Tsutomu Ishida, Hiroshi Harada, Kenji Okamoto, Shintaro Kobayashi +4 more | 1989-09-19 |
| 4843296 | AC motor drive apparatus | — | 1989-06-27 |
| 4833657 | Semiconductor frame buffer memory | — | 1989-05-23 |
| 4819259 | Rotary anode type x-ray apparatus | — | 1989-04-04 |
| 4797908 | Voltage-resonance type power supply circuit for X-ray tube | Fumio Ishiyama | 1989-01-10 |
| 4791601 | Parallel multiplier with a modified booth algorithm | — | 1988-12-13 |
| 4777059 | Process for producing vegetable protein foods | Masaaki Satoh, Gyota Taguchi | 1988-10-11 |
| 4768078 | Plastic-molded semiconductor device | — | 1988-08-30 |
| 4760321 | AC motor drive apparatus | Susumu Tadakuma | 1988-07-26 |
| 4737179 | Method for producing glass preform for optical fiber | Gotaro Tanaka, Hiroshi Yokota, Hiroo Kanamori, Hiroshi Suganuma | 1988-04-12 |
| 4731057 | Transfusion apparatus | Tetsuya Miyatake, Yasushi Miki | 1988-03-15 |