Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7163757 | Secondary batteries having a protective circuit | Masami Kawazu, Hisaya Tamura, Kazutaka Furuta | 2007-01-16 |
| 6977343 | Heat-sensitive material and heat-sensitive element | Kazutaka Furuta | 2005-12-20 |
| 6917505 | Secondary batteries having a protective circuit | Hisaya Tamura, Kazutaka Furuta, Masami Kawazu | 2005-07-12 |
| 6661633 | Protective element | Kazutaka Furuta, Hisaya Tamura | 2003-12-09 |
| 6656304 | Method for manufacturing a PTC element | Kazutaka Furuta | 2003-12-02 |
| 6556403 | Protective element | Kazutaka Furuta | 2003-04-29 |
| 6452475 | Protective device | Masami Kawazu | 2002-09-17 |
| 6351361 | Overcurrent protection device | Masami Kawazu, Hisaya Tamura | 2002-02-26 |
| 6114672 | PTC-element, protective device and electric circuit board | Hisaya Tamura, Toyoji Yamazaki, Yukio Yamada | 2000-09-05 |
| 5939217 | Battery and protecting element therefor | Hisaya Tamura, Motohide Takeichi | 1999-08-17 |
| 5712610 | Protective device | Motohide Takeichi, Yuji Furuuchi | 1998-01-27 |
| 5424163 | Picture recording method using a dispersant having coloring agent particles contained therein | Hiroshi Tokunaga, Akira Shirakura, Hideki Matsuzaka, Yuichirou Ikemoto, Toshimi Fukuoka +4 more | 1995-06-13 |