Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8444806 | Plasma generator, plasma control method and method of producing substrate | Shoji Miyake, Akinori Ebe, Yuichi Setsuhara | 2013-05-21 |
| 7785441 | Plasma generator, plasma control method, and method of producing substrate | Shoji Miyake, Akinori Ebe, Yuichi Setsuhara | 2010-08-31 |
| 7567037 | High frequency power supply device and plasma generator | Yuichi Setsuhara, Masayoshi Kamai | 2009-07-28 |
| 7098599 | Plasma generator | Shoji Miyake, Yuichi Setsuhara | 2006-08-29 |
| 5162612 | Closure plate for covering opening of floor panels | Hiromasa Naka, Takehiko Okushima, Takao Okumura, Tetsuo Tobikawa, Norio Nakamura | 1992-11-10 |
| 5122251 | High density plasma deposition and etching apparatus | Gregor A. Campbell, Robert W. Conn, David C. Pearson, Alexis P. deChambrier | 1992-06-16 |
| 5091049 | High density plasma deposition and etching apparatus | Gregor A. Campbell, Robert W. Conn | 1992-02-25 |
| 5072557 | Device for fixing floor panels | Hiromasa Naka, Norio Nakamura, Takehiko Okushima, Takao Okumura, Tetsuo Tobikawa | 1991-12-17 |
| 4996804 | Device and structure for supporting floor panels | Hiromasa Naka, Takehiko Okushima, Takao Okumura, Tetsuo Tobikawa | 1991-03-05 |
| 4990229 | High density plasma deposition and etching apparatus | Gregor A. Campbell, Robert W. Conn | 1991-02-05 |
| 4922670 | Free access floor and method of constructing the same | Hiromasa Naka, Norio Nakamura, Takehiko Okushima, Takao Okumura | 1990-05-08 |
| 4593493 | Access door | Hiromitsu Naka, Takehiko Okushima | 1986-06-10 |