Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7612550 | Dropper type regulator | — | 2009-11-03 |
| 7566845 | Overheat protection circuit for power supply devices and direct-current power supply device | Yoichi Kyono | 2009-07-28 |
| 7522429 | DC-DC converter | — | 2009-04-21 |
| 7439686 | Discharge-lamp lighting apparatus | — | 2008-10-21 |
| 7330365 | Synchronous commutation DC-DC converter | Ryuichi Furukoshi, Yukinari Fukumoto | 2008-02-12 |
| 7326666 | Glass for forming barrier ribs, and plasma display panel | Hiroyuki Yamamoto, Satoshi Fujimine, Hitoshi Onoda | 2008-02-05 |
| 7304867 | DC-DC converter of multi-output type | — | 2007-12-04 |
| 7221128 | Converter with start-up circuit | Yukinari Fukumoto, Yasuhiro Rikiishi, Syouhei Osaka | 2007-05-22 |
| 7215525 | Overheat protector for a dc-to-dc converter or the like | — | 2007-05-08 |
| 7176660 | Switching power source apparatus and power factor corrector | Syohei Osaka | 2007-02-13 |
| 6980445 | Power factor improving converter and control method thereof | Yukinari Fukumoto, Koichi Morita | 2005-12-27 |
| 6939819 | Glass ceramic composition | Hitoshi Onoda, Kazunari Watanabe, Yumi Okuyama, Yasuko Osaki, Katsuyoshi NAKAYAMA | 2005-09-06 |
| 6835028 | Indexable insert and cutting tool | Takayuki Kagami | 2004-12-28 |
| 6760203 | Switching power supply with overcurrent protection | — | 2004-07-06 |
| 6741155 | Transformer | — | 2004-05-25 |
| 6434941 | Ordinary temperature heat engine | Hanako Narutomi | 2002-08-20 |
| 6387833 | Sealing composition | Ryuichi Tanabe, Yutaka Segawa, Yuichi Kuroki, Eiji Ichikura | 2002-05-14 |
| 6373735 | AC-DC converter with reduced energy loss through a switching element | — | 2002-04-16 |
| 6366479 | DC-DC converter with reduced energy loss under lowered load impedance | Akihiro Uchida | 2002-04-02 |
| 6355586 | Low melting point glass and glass ceramic composition | Yasuko Dotani, Ryuichi Tanabe, Tsuneo Manabe | 2002-03-12 |
| 6287996 | Ceramic color composition and process for producing a curved glass plate | Jiro Chiba, Takaji Shimosaka, Kenji Mukai, Shuji Taguchi, Mineyuki Ishida +2 more | 2001-09-11 |
| 6221125 | Water-atomized spherical metal powders and method for producing the same | Yuji Soda, Yukio Tokuyama | 2001-04-24 |
| 5916832 | Hermetic sealing composition | Ryuichi Tanabe, Tsuneo Manabe, Yuichi Kuroki | 1999-06-29 |
| 5847478 | Electro-magnetic clutch | Shingo Nakagawa | 1998-12-08 |
| 5817586 | Colored ceramic composition | Kazuo Harada, Tsuneo Manabe | 1998-10-06 |