Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6057609 | Auxiliary power supply apparatus | Kazuo Yamazaki, Sumio Iwase | 2000-05-02 |
| 6028415 | Charging control method and charging control device | Toshitaka Takei, Kuniharu Suzuki | 2000-02-22 |
| 5991170 | Equipment and method for transmitting electric power | Toshitaka Takei, Kuniharu Suzuki | 1999-11-23 |
| 5982151 | Battery charger and battery charging method | Toshitaka Takei, Kuniharu Suzuki | 1999-11-09 |
| 5982153 | Charger system switchably connects a smoothing capacitor and resistor and charging controller based on a detected secondary battery voltage | Toshitaka Takei, Kuniharu Suzuki | 1999-11-09 |
| 5796238 | Battery pack | Masaru Hiratsuka, Shigeki Murayama, Yasuhito Eguchi | 1998-08-18 |
| 5783322 | Secondary battery pack | Kazunori Ozawa | 1998-07-21 |
| 5760570 | Rechargeable battery apparatus | Kazunori Ozawa | 1998-06-02 |
| 5691620 | Battery charging method | Hitoshi Akiho | 1997-11-25 |
| 5680027 | Battery pack including internal capacity monitor for monitoring groups of battery cells | Masaru Hiratsuka, Shigeki Murayama, Yasuhito Eguchi, Kaoru Tomono | 1997-10-21 |
| 4393337 | Switching circuit | Takeshi Matsushita | 1983-07-12 |
| 4390818 | Television receiver | Yoshio Ishigaki | 1983-06-28 |
| 4242714 | Current control circuit | Susumu Yoshida, Yoshio Ishigaki | 1980-12-30 |
| 4206388 | Current control circuit for horizontal deflection coil of television receiver | Yoshio Ishigaki | 1980-06-03 |