Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9620794 | Fuel cell system and method of operating the same | Junji Morita, Hiroshi Tatsui, Akinori Yukimasa, Atsutaka Inoue | 2017-04-11 |
| 9431668 | Power generation system and operation method thereof | Keisuke Shiosaki, Hiroshi Tatsui, Junji Morita, Akinori Yukimasa, Atsutaka Inoue | 2016-08-30 |
| 9385384 | Power generation system and method of operating the same | Hiroshi Tatsui, Junji Morita, Akinori Yukimasa, Atsutaka Inoue | 2016-07-05 |
| 9023544 | Fuel cell system | Susumu Hatano, Shigeki Yasuda | 2015-05-05 |
| 8911912 | Fuel cell system and method of operating fuel cell system | Akinori Yukimasa, Shigeki Yasuda, Naohisa Tanabe | 2014-12-16 |
| 7521324 | Semiconductor device and method for manufacturing the same | Tadahiro Ohmi, Akinobu Teramoto, Yasuo Kobayashi | 2009-04-21 |
| 7332346 | Method of collecting chemically contaminating impurity constituents contained in air | — | 2008-02-19 |
| 6949478 | Oxide film forming method | Tadahiro Ohmi, Takashi Imaoka, Hisayuki Shimada, Nobuhiro Konishi, Mizuho Morita +5 more | 2005-09-27 |
| 6645273 | Method for removing impurity contents in the air | Mikio Matsuki, Norio Tanaka, Hiroshi Ogata | 2003-11-11 |
| 6497757 | Apparatus for removing impurity contents in the air | Mikio Matsuki, Norio Tanaka, Hiroshi Ogata | 2002-12-24 |
| 6387165 | Airborne molecular contaminant removing apparatus | — | 2002-05-14 |
| 6376401 | Ultraviolet ray-transparent optical glass material and method of producing same | Shinichi Kondo, Takayuki Nakamura, Kazuhiko Fukuda, Naoyoshi Kamisugi, Nobu Kuzuu +1 more | 2002-04-23 |
| 6146135 | Oxide film forming method | Jinzo Watanabe, Takeo Yamashita, Masakazu Nakamura, Shintaro Aoyama, Tadashi Shibata +5 more | 2000-11-14 |
| 5948265 | Ion-exchanger, process for production thereof, and process for removal of multiply charged anions employing the ion-exchanger | Manabu Sakurai, Tsugio Murakami, Sadakatsu Kumoi | 1999-09-07 |
| 5659066 | Method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl ester | Tsugio Murakami, Hidetaka Egashira, Kengo Okajima | 1997-08-19 |
| 5347035 | Method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl ester | Tsuneo Harada, Yukio Kunisawa, Kiyotaka Oyama | 1994-09-13 |
| 5120677 | Method for making a semiconductor device by doping with arsenic, of at least 25 wt. % into a polysilicon layer | — | 1992-06-09 |
| 4879253 | Method for fabricating a semiconductor device using a BPSG layer containing high concentrations of phosphorus and boron | — | 1989-11-07 |
| 4839306 | Method of manufacturing a trench filled with an insulating material in a semiconductor substrate | — | 1989-06-13 |
| 4835301 | Process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl ester | Shigeaki Irino, Tsuneo Harada, Akira Tokuda, Kiyotaka Oyama | 1989-05-30 |
| 4831180 | Process for producing alpha-L-aspartyl-L-phenylalanine methyl ester having an improved solubility | Shigeaki Irino, Tsuneo Harada, Akira Tokuda, Hiyotaka Oyama | 1989-05-16 |
| 4810818 | Process for producing alpha-aspartyl-l-phenylalanine methyl ester having an improved solubility | Shigeaki Irino, Tsuneo Harada, Akira Tokuda, Kiyotaka Oyama | 1989-03-07 |