Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329584 | Method of manufacturing semiconductor device | Toshiyuki Takewaki, Manabu Iguchi, Daisuke Oshida, Hironori Toyoshima, Masayuki Hiroi +6 more | 2012-12-11 |
| 7955980 | Method of manufacturing semiconductor device | Toshiyuki Takewaki, Manabu Iguchi, Daisuke Oshida, Hironori Toyoshima, Masayuki Hiroi +6 more | 2011-06-07 |
| 7601640 | Method of manfacturing semiconductor device | Toshiyuki Takewaki, Manabu Iguchi, Daisuke Oshida, Hironori Toyoshima, Masayuki Hiroi +6 more | 2009-10-13 |
| 6568243 | Method of evaluating capacitance value of capacitor on semiconductor substrate | — | 2003-05-27 |
| 6342714 | HSG lower electrode structure having a neck supported by a silicon layer | Toshiyuki Hirota | 2002-01-29 |
| 6329268 | Semiconductor cleaning method | Masaharu Nakamori | 2001-12-11 |
| 6313004 | Method for manufacturing semiconductor devices | — | 2001-11-06 |
| 6221730 | Fabrication method of semiconductor device with HSG configuration | — | 2001-04-24 |
| 5989969 | Method of producing silicon layer having surface controlled to be uneven | Hirohito Watanabe | 1999-11-23 |
| 5972750 | Nonvolatile semiconductor memory device and manufacturing method of the same | Hiroki Shirai, Taishi Kubota, Hirohito Watanabe, Haruhiko Ono, Takeshi Okazawa | 1999-10-26 |
| 5973355 | Nonvolatile semiconductor memory device and manufacturing method of the same | Hiroki Shirai, Taishi Kubota, Hirohito Watanabe, Haruhiko Ono, Takeshi Okazawa | 1999-10-26 |
| 5910019 | Method of producing silicon layer having surface controlled to be uneven or even | Hirohito Watanabe | 1999-06-08 |
| 5858837 | Method of manufacturing semiconductor memory device | Takashi Sakoh | 1999-01-12 |
| 5730034 | Automatic bolt driving apparatus for driving bolts to secure elongated concrete molding frame segments | Ryoichi Hashimoto, Nobuhiko Nishiwaki | 1998-03-24 |
| 4594267 | Process for producing cobalt-containing magnetic iron oxide powder | Masaharu Hirai, Masatoshi Amano, Nobusuke Takumi | 1986-06-10 |
| 4551327 | Process for producing cobalt-and ferrous iron-containing ferromagnetic iron oxides | Arata Koyama, Masatoshi Amano, Nobusuke Takumi | 1985-11-05 |
| 4501774 | Process for the production of cobalt-containing magnetic iron oxide powder | Kokichi Miyazawa, Kazuo Nakata, Tsuneo Ishikawa, Masaharu Hirai, Makoto Ogasawara +1 more | 1985-02-26 |
| 4486467 | Process for producing cobalt-containing magnetic iron oxide powder | Kazuo Nakata, Tsuneo Ishikawa, Arata Koyama, Masaharu Hirai, Masatoshi Amano | 1984-12-04 |
| 4414245 | Process for producing cobalt containing ferromagnetic iron oxides | Kokichi Miyazawa, Kazuo Nakata, Tsuneo Ishikawa, Arata Koyama, Masatoshi Amano | 1983-11-08 |