Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8461548 | Ion beam irradiation device and method for suppressing ion beam divergence | Dan Nicolaescu, Shigeki Sakai, Yasuhito Gotoh | 2013-06-11 |
| 7935944 | Ion beam irradiating apparatus, and method of producing semiconductor device | Dan Nicolaescu, Yasuhito Gotoh, Shigeki Sakai | 2011-05-03 |
| 6861790 | Electronic element | Takashi Iwasa | 2005-03-01 |
| 6414422 | Cold cathode element | Takashi Iwasa | 2002-07-02 |
| 6268686 | Cold cathode element | Takashi Iwasa | 2001-07-31 |
| 5901398 | Car washing machine | Akira Ikari, Masamoto Ueda, Mitsuru Nishimura, Katsuya Kitanaka | 1999-05-11 |
| 5107170 | Ion source having auxillary ion chamber | Yoshio Matsubara, Hideaki Takara, Shuichi Nogawa, Toshiaki Sasai | 1992-04-21 |
| 4774413 | Ion emmissive head and ion beam irradiation device incorporating the same | Masao Okubo, Kiyoshi Sugaya, Toshinori Takagi | 1988-09-27 |
| 4638217 | Fused metal ion source with sintered metal head | Masao Okubo, Kiyoshi Sugaya, Toshinori Takagi | 1987-01-20 |
| 4598231 | Microwave ion source | Koji Matsuda, Toshinori Takagi | 1986-07-01 |
| 4563610 | Device for generating negative-ion beams by alkaline metal ion sputtering | Toshinori Takagi, Koji Matsuda | 1986-01-07 |