Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11515227 | Semiconductor die including edge ring structures and methods for making the same | Toshiaki Matsumura, Nao Nagase, Nobutoshi Sugawara, Takahiro Tanamachi | 2022-11-29 |
| 8637915 | Nonvolatile semiconductor memory | Masayuki Ichige, Fumitaka Arai, Riichiro Shirota, Toshitake Yaegashi, Yoshio Ozawa +2 more | 2014-01-28 |
| 8324679 | Nonvolatile semiconductor memory | Masayuki Ichige, Fumitaka Arai, Riichiro Shirota, Toshitake Yaegashi, Yoshio Ozawa +2 more | 2012-12-04 |
| 8282727 | Water-borne primer coating composition and method of forming coating film | Takeshi Ogawa, Takanori Hashimoto, Emi Nomi, Yutaro Kawasaki | 2012-10-09 |
| 7982259 | Nonvolatile semiconductor memory | Masayuki Ichige, Fumitaka Arai, Riichiro Shirota, Toshitake Yaegashi, Yoshio Ozawa +2 more | 2011-07-19 |
| 7863166 | Method of manufacturing semiconductor storage device | Takashi Suzuki, Hirokazu Ishida, Ichiro Mizushima, Yoshio Ozawa, Fumiki Aiso +2 more | 2011-01-04 |
| 7651930 | Method of manufacturing semiconductor storage device | Takashi Suzuki, Hirokazu Ishida, Ichiro Mizushima, Yoshio Ozawa, Fumiki Aiso +2 more | 2010-01-26 |
| 7531871 | Power semiconductor switching element | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Hiromichi Ohashi, Kenichi Tokano | 2009-05-12 |
| 7510769 | Laminate film | Takakazu Hase, Koichi Takahashi, Yasushi Kojima, Kenichi Shinya, Keishi Hamada | 2009-03-31 |
| 7224022 | Vertical type semiconductor device and method of manufacturing the same | Keinichi Tokano, Shigeo Kouzuki, Yasunori Usui, Masaru Izumisawa, Takahiro Kawano | 2007-05-29 |
| 7067870 | Power semiconductor switching element | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Hiromichi Ohashi, Kenichi Tokano | 2006-06-27 |
| 6984669 | Fluorinated cation exchange membrane and electrolytic soda process | Takuo Nishio, Tetsuji Shimohira | 2006-01-10 |
| 6750508 | Power semiconductor switching element provided with buried electrode | Ichiro Omura, Wataru Saito, Tsuneo Ogura, Hiromichi Ohashi, Kenichi Tokano | 2004-06-15 |
| 6258889 | Emulsion and production process therefor | Katsumi Mizuguchi, Yukiko Iida, Takeshi Nakasuka | 2001-07-10 |
| 5716504 | Cation exchange membrane for electrolysis and process for producing potassium hydroxide of high purity | Tetsuji Shimohira, Haruhisa Miyake | 1998-02-10 |
| 5149403 | Fluorine-containing cation exchange membrane for electrolysis and process for producing alkali metal hydroxide by using the same | Tetsuji Shimohira, Yoshiaki Higuchi, Kohji Suzuki | 1992-09-22 |
| 5138421 | Semiconductor substrate and method of producing the same, and semiconductor device | — | 1992-08-11 |
| 4956392 | Process for producing methanol or mixed alcohol | Osamu Hashimoto, Masaaki Kuwa, Takashi Kojima, Kinya Tsuji | 1990-09-11 |
| 4894349 | Two step vapor-phase epitaxial growth process for control of autodoping | Yoshiaki Matsushita | 1990-01-16 |
| 4872958 | Ion exchange membrane for electrolysis | Koji Suzuki, Tetsuro Tsukada, Kiyotaka Arai, Hiroshi Mori | 1989-10-10 |
| 4787997 | Etching solution for evaluating crystal faults | Yoshiaki Matsushita | 1988-11-29 |
| 4744869 | Process for purifying methanol | Osamu Hashimoto | 1988-05-17 |
| 4705654 | Method of humidifying a gas | Kensuke Niwa, Hisayoshi Fujita, Hiroshi Makihara, Ritsuo Hashimoto, Younosuke Hoshi +1 more | 1987-11-10 |
| 4486277 | Electrolytic cation exchange membrane | Haruhisa Miyake, Manabu Suhara, Hiroshi Mori | 1984-12-04 |