Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8367987 | Flexible PTC heating element and method of manufacturing the heating element | Takahito Ishii, Seishi Terakado, Kazuyuki Kohara, Mitsuru Yoneyama | 2013-02-05 |
| 8180207 | Heat exchanger | Shigeru Shirai, Yasuhiro Umekage, Kazushige Nakamura, Mitsuyuki Furubayashi | 2012-05-15 |
| 7920779 | Heat exchanger and washing apparatus comprising the same | Shigeru Shirai, Yasuhiro Umekage, Kazushige Nakamura, Mitsuyuki Furubayashi, Koji Oka | 2011-04-05 |
| 7675004 | Heating element and production method thereof | Keizo Nakajima, Takahito Ishii, Seishi Terakado, Takehiko Shigeoka, Kazuyuki Kohara +1 more | 2010-03-09 |
| 7049559 | Flexible PTC heating element and method of manufacturing the heating element | Takahito Ishii, Seishi Terakado, Kazuyuki Kohara, Mitsuru Yoneyama | 2006-05-23 |