Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12068491 | Monitoring system, battery-type power supply device, monitoring server apparatus and monitoring program | — | 2024-08-20 |
| 10763555 | Battery-type power supply device and battery-driven load device | Akihiro Okabe | 2020-09-01 |
| 9092015 | Electronic timepiece | Kazuo Kato, Akira Takakura, Tomohiro Ihashi, Takanori Hasegawa | 2015-07-28 |
| 9036455 | Electronic timepiece | Kazuo Kato, Akira Takakura, Tomohiro Ihashi, Takanori Hasegawa | 2015-05-19 |
| 8982675 | Power supply unit and electronic timepiece | Kazuo Kato, Akira Takakura, Keisuke Tsubata, Hisao Nakamura, Tomohiro Ihashi +4 more | 2015-03-17 |
| 5187441 | Portable information apparatus for sensing battery voltage drop | Koichi Shibata, Hiroyuki Watanabe, Shinichiro Miyahara, Osamu Imagawa | 1993-02-16 |
| 5187720 | Synchronous serial communication circuit | Koichi Shibata, Hiroyuki Watanabe, Shinichiro Miyahara, Osamu Imagawa | 1993-02-16 |
| 4943742 | Schottky barrier diode clamp transistor | — | 1990-07-24 |
| 4922319 | Semiconductor programmable memory device | — | 1990-05-01 |
| 4907062 | Semiconductor wafer-scale integrated device composed of interconnected multiple chips each having an integration circuit chip formed thereon | — | 1990-03-06 |
| 4866004 | Method of forming groove isolation filled with dielectric for semiconductor device | — | 1989-09-12 |
| 4862459 | Test method for detecting faulty memory cell of a programmable device | — | 1989-08-29 |
| 4839854 | Data collection system having stationary unit with electromagnetic induction circuitry for bidirectionally relaying data | Yasuo Sakami, Shigetaka Okina, Junichi Tsubouchi, Shozo Izaki, Hiroyuki Watanabe +1 more | 1989-06-13 |
| 4808550 | Method of producing isolation groove structure | — | 1989-02-28 |
| 4805141 | Bipolar PROM having transistors with reduced base widths | — | 1989-02-14 |
| 4792833 | Junction-shorting type semiconductor read-only memory having increased speed and increased integration density | — | 1988-12-20 |
| 4654688 | Semiconductor device having a transistor with increased current amplification factor | — | 1987-03-31 |
| 4635645 | Electronic sphygmomanometer | — | 1987-01-13 |
| 4617653 | Semiconductor memory device utilizing multi-stage decoding | Yasuro Matsuzaki, Kouji Ueno | 1986-10-14 |
| 4607641 | Electronic sphygmomanometer | — | 1986-08-26 |
| 4498022 | Tristate output buffer with high-impedance state responsive to increase in power supply voltage | Kazumi Koyama, Yuichi Kawabata | 1985-02-05 |
| 4482914 | Contact structure of semiconductor device | Toru MANO, Takeshi Fukuda, Kouji Ueno, Kazuo Tanaka | 1984-11-13 |
| 4468856 | Method for forming an ohmic contact to a semiconductor substrate | — | 1984-09-04 |
| 4466012 | Semiconductor device with deep oxide isolation | — | 1984-08-14 |
| 4459694 | Field programmable device with circuitry for detecting poor insulation between adjacent word lines | Kouji Ueno, Kazumi Koyama | 1984-07-10 |