Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8507282 | Method for measuring physiologically active substance of biological origin, program for implementing the same, and apparatus for measuring physiologically active substance of biological origin | Katsumi Yabusaki, Yuka Sugiura | 2013-08-13 |
| 8326138 | Imaging apparatus | Masayuki Yoshii, Nobuhisa Koike | 2012-12-04 |
| 8157379 | Perimeter and method of controlling perimeter | — | 2012-04-17 |
| 8110292 | High strength steel plate, steel pipe with excellent low temperature toughness, and method of production of same | Taishi Fujishiro, Shinya Sakamoto, Hitoshi Asahi | 2012-02-07 |
| 8084144 | High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the same | Hitoshi Asahi | 2011-12-27 |
| 8070887 | High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same | Hitoshi Asahi, Yasuhiro Shinohara | 2011-12-06 |
| 8049131 | Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same | Hitoshi Asahi | 2011-11-01 |
| 8039118 | Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same | Hitoshi Asahi | 2011-10-18 |
| 8002479 | Imaging apparatus | Toshiaki Ueda, Hideo Fukumoto, Yoshinori Sugiyama, Shigekazu Inaba | 2011-08-23 |
| 7942528 | Perimeter | — | 2011-05-17 |
| 7753525 | Ophthalmic apparatus | Satoshi Shimada | 2010-07-13 |
| 7736447 | Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereof | Hitoshi Asahi | 2010-06-15 |
| 7695141 | Ocular light stimulus apparatus | Kazunori Matsumura, Tatsuya Fujii, Masaharu Mizuochi | 2010-04-13 |
| 7601231 | High-strength steel pipe excellent in low temperature toughness and toughness at weld heat-affected zone | Hitoshi Asahi | 2009-10-13 |
| 7393104 | Ophthalmic testing unit and ophthalmic testing equipment | Yoshikatsu Suzumura | 2008-07-01 |
| 7301763 | Electronic device | — | 2007-11-27 |
| 7133277 | Electronic device | Takeshi Ikari, Atsushi Hoshi | 2006-11-07 |
| 6782921 | High-strength steel pipe excellent in formability and burst resistance | Eiji Tsuru, Hitoshi Asahi, Hideki Miyazaki, Tatsuya Yoshida | 2004-08-31 |
| 6685321 | Perimeter | Yoshikatsu Suzumura | 2004-02-03 |
| 6532995 | Super-high-strength line pipe excellent in low temperature toughness and production method thereof | Hitoshi Asahi, Hiroshi Tamehiro, Yoshio Terada, Shigeru Ohkita, Kunio Koyama | 2003-03-18 |
| 6264760 | Ultra-high strength, weldable steels with excellent ultra-low temperature toughness | Hiroshi Tamehiro, Hitoshi Asahi, Yoshio Terada, Michael J. Luton, Jayoung Koo +2 more | 2001-07-24 |
| 6248191 | Method for producing ultra-high strength, weldable steels with superior toughness | Michael J. Luton, Jayoung Koo, Narasimha-Rao Venkata Bangaru, Clifford W. Petersen, Hiroshi Tamehiro +2 more | 2001-06-19 |
| 6228183 | Ultra-high strength, weldable, boron-containing steels with superior toughness | Narasimha-Rao Venkata Bangaru, Jayoung Koo, Michael J. Luton, Clifford W. Petersen, Hiroshi Tamehiro +2 more | 2001-05-08 |
| 6224689 | Ultra-high strength, weldable, essentially boron-free steels with superior toughness | Jayoung Koo, Michael J. Luton, Narasimha-Rao Venkata Bangaru, Clifford W. Petersen, Hiroshi Tamehiro +2 more | 2001-05-01 |
| 5985053 | Steel having improved toughness in welding heat-affected zone | Hitoshi Asahi, Hiroshi Tamehiro, Ryuji Uemori, Naoki Saito | 1999-11-16 |