Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7230968 | Semiconductor laser device and solid-state laser device using same | Hirofumi Imai, Naoya Hamada, Tatsuhiko Sakai, Atsushi Sugihashi, Hideyuki Hamamura +1 more | 2007-06-12 |
| 7079566 | Semiconductor laser apparatus capable of routing laser beams emitted from stacked-array laser diode to optical fiber with little loss | Hirofumi Imai, Naoya Hamada | 2006-07-18 |
| 6770840 | Method of butt-welding hot-rolled steel materials by laser beam and apparatus therefor | Katsuhiro Minamida, Hiroyuki Yamamoto | 2004-08-03 |
| 5458999 | Interferometric phase shifting method for high resolution microlithography | Gabor Szabo, Frank K. Tittel, Joseph R. Cavallaro | 1995-10-17 |
| 5391856 | Cooling drum for casting thin cast pieces and method and apparatus for forming dimples in peripheral surface of the drum | Katsuhiro Minamida, Fumihiko Nishizawa | 1995-02-21 |
| 5306890 | Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases | Katsuhiro Minamida, Atsushi Sugihashi, Masahi Oikawa, Naoya Hamada, Akira Ishibashi | 1994-04-26 |
| 5208434 | Method and apparatus for laser heat treatment for metal wire | Katsuhiro Minamida | 1993-05-04 |
| 5116688 | Core strip for honeycomb core panel and method of producing the same | Katsuhiro Minamida, Atsushi Sugihashi | 1992-05-26 |