Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788556 | Switching power source device | Tatsuya Hosotani | 2004-09-07 |
| 6738266 | Switching power supply unit | Tatsuya Hosotani | 2004-05-18 |
| 6690586 | Switching power source device | Tatsuya Hosotani | 2004-02-10 |
| 6639811 | Switching power supply unit | Tatsuya Hosotani | 2003-10-28 |
| 6631079 | Switching power supply apparatus having plural outputs and plural output voltage detection | Tatsuya Hosotani, Takahiro Minagawa | 2003-10-07 |
| 6611436 | Switching power supply unit having a regulator circuit and electronic apparatus using the same | Akio Nishida | 2003-08-26 |
| 6583697 | Transformer | Takanori Koyama, Tatsuya Hosotani | 2003-06-24 |
| 6577511 | Switching power supply unit and electronic apparatus using the same | Satoshi Yamaguchi, Akio Nishida | 2003-06-10 |
| 6559750 | Transformer and electrical device using the same | Takanori Koyama, Tatsuya Hosotani | 2003-05-06 |
| 6549430 | Switching power supply circuit having constant current circuit | Tatsuya Hosotani | 2003-04-15 |
| 6532159 | Switching power supply unit | Akio Nishida | 2003-03-11 |
| 6498735 | Switching power supply unit | Tatsuya Hosotani | 2002-12-24 |
| 6469913 | Switching power supply device having series capacitance | Tatsuya Hosotani, Yasuji Okamoto | 2002-10-22 |
| 6370040 | Switching power supply apparatus having plural outputs and plural output voltage detection | Tatsuya Hosotani, Takahiro Minagawa | 2002-04-09 |
| 6366480 | Switching power supply apparatus | Tatsuya Hosotani, Yasuji Okamoto | 2002-04-02 |
| 6198637 | Switching power supply circuit | Tatsuya Hosotani | 2001-03-06 |
| 5077889 | Process for fabricating a positive-temperature-coefficient heating device | Yasuaki Matsuda, Daisuke Takahata, Mitsuo Aoki | 1992-01-07 |
| 5040596 | Heat exchanger core | Kazuo Terasaki | 1991-08-20 |
| 5012399 | Self-oscillation type converter | Yasuji Okamoto | 1991-04-30 |
| 4969556 | Vacuum container | Hajime Ishimaru, Kazuo Miyamoto, Kyozi Ono, Yutaka Mikasa | 1990-11-13 |
| 4720028 | Device for hanging a garment in a vehicle | Naoaki Tsuchiya | 1988-01-19 |
| 4498033 | Automatic door actuator | Hiroshi Aihara, Akira Matumura, Rikiya Kobashi, Keisuke Satomi, Hiroe Ishibashi | 1985-02-05 |
| D272153 | Facsimile transceiver | Takamasa Shintani, Koyo Nagasawa, Tadashi Kikuchi | 1984-01-10 |