Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7648200 | Headrest device | — | 2010-01-19 |
| 7621597 | Plastic headrest frame | — | 2009-11-24 |
| 5996678 | Apparatus for making mold | Kimikazu Kaneto, Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto | 1999-12-07 |
| 5947185 | Method and apparatus for pre-compacting molding sand | Kimikazu Kaneto, Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto | 1999-09-07 |
| 5794681 | Molding machine | Kazuharu Matsui, Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto, Kimikazu Kaneto | 1998-08-18 |
| 5791396 | Apparatus and method for producing molds | Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto | 1998-08-11 |
| 5682941 | Device for producing molds | Ryoji Kanayama, Tadashi Nishida | 1997-11-04 |
| 5660221 | Apparatus and method for producing molds | Ryoji Kanayama, Kuniyasu Mori, Kazuo Sugimoto | 1997-08-26 |
| 5251690 | Apparatus for collecting cleaning bodies for tubular heat exchanger | Katsumoto Otake, Yoshio Sumiya, Yasuo Fujitani, Tokunori Matsushima, Takuya Sasaki +5 more | 1993-10-12 |
| 4917176 | Device for cleaning inner surfaces of heat exchanger tubes | Toshimasa Shimada, Katsuhei Tanemura, Yasuo Fujitani, Katsumoto Otake, Yoshio Sumiya | 1990-04-17 |