Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071406 | Steel sheet pile and method for manufacturing the same | Kazutoshi Ichikawa, Hidetoshi Ito | 2018-09-11 |
| 9644372 | High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same | Kazutoshi Ichikawa, Teruyuki Wakatsuki, Kohichi Yamamoto | 2017-05-09 |
| 7828917 | Rail manufacturing method | Takuya Satoh, Masaharu Ueda, Kazuo Fujita, Akira Kobayashi | 2010-11-09 |
| 6957019 | Stabilized optical pulse generator | Kamal Kant Gupta | 2005-10-18 |
| 6931703 | Rail producing method and producing equipment | Masafumi Shibata, Masanori Miwa, Kazuo Fujita | 2005-08-23 |
| 5509022 | Self-tuned mode-locked laser | Arthur James Lowery, Rodney S. Tucker | 1996-04-16 |
| 5101246 | Photo-functional device | — | 1992-03-31 |
| 5061974 | Semiconductor light-emitting device of array type | Saburo Saski, Hiroyuki Iechi | 1991-10-29 |
| 4990972 | Semiconductor light emitting device | Shiro Satoh | 1991-02-05 |
| 4797890 | Semiconductor light emitting device with vertical light emission | Fumio Inaba, Hiromasa Ito, Akira Mizuyoshi | 1989-01-10 |