Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576265 | Manufacturing method for printed circuit board and laser processing machine | Yasuhiko Kanaya | 2023-02-07 |
| 8366903 | Method for manufacturing printed wiring board and electrolytic etching solution for use in the manufacturing method | Toshinori Kawamura, Haruo Akahoshi | 2013-02-05 |
| 8319147 | Laser machining method and laser machining apparatus | — | 2012-11-27 |
| 8278594 | Method and apparatus for perforating printed circuit board | Hiroyuki Sugawara, Hiroaki Ashizawa, Hiromi Nishiyawa | 2012-10-02 |
| 8075788 | Fabrication method of printed circuit board and printed circuit board machining apparatus | Hiroshi Aoyama, Yasuhiko Kanaya | 2011-12-13 |
| 7923659 | Laser machining method and laser machining apparatus | Yasuhiko Kita, Yasushi Ito | 2011-04-12 |
| 7666320 | Manufacturing method of printed wiring board as well as copper-clad laminate and treatment solutions used therefor | Toshinori Kawamura, Haruo Akahoshi | 2010-02-23 |
| 7531767 | Method and apparatus for laser perforating printed circuit board | Hiroyuki Sugawara, Hiroaki Ashizawa, Hiromi Nishiyawa | 2009-05-12 |
| 7335296 | System and device for processing supercritical and subcritical fluid | Hiroshi Inomata, Richard L. Smith | 2008-02-26 |
| 7205501 | Laser machining method and laser machining apparatus | Kazuhisa Ishii, Hiroaki Ashizawa | 2007-04-17 |
| 7182861 | System for separating electrophotographic carrier compositions and recycling the compositions | Kunitoshi Sugiyama, Yoshihiko Itoh, Hideyuki Santoh, Tadafumi Ajiri | 2007-02-27 |
| 6921820 | Method for forming cellulose | Tadafumi Ajiri, Hideo Hattori, Mitsuru Sasaki | 2005-07-26 |
| 6849824 | Multibeam laser drilling apparatus | Kenji Suzuki | 2005-02-01 |
| 6818053 | Process for producing quinacridone pigment microcrystals | Hitoshi Kasai, Hachiro Nakanishi | 2004-11-16 |
| 6531677 | Method and apparatus for drilling printed wiring boards | Kazuhisa Ishii, Yasuhiko Kita | 2003-03-11 |
| 6521866 | Laser beam machining and laser beam machine | Humio Watanabe | 2003-02-18 |
| 6479788 | Method and apparatus of making a hole in a printed circuit board | Hiroshi Aoyama, Hideo Ueno | 2002-11-12 |
| 6464797 | Method of separating electrophotographic carrier compositions and recycling the compositions | Kunitoshi Sugiyama, Yoshihiko Itoh, Hideyuki Santoh, Tadafumi Ajiri | 2002-10-15 |
| 6458407 | Process for producing essential oil by subcritical or supercritical water treatment | Wataru Miki, Koichi Nakahara, Takahisa Fujii, Kenzoh Nagami | 2002-10-01 |
| 6331320 | Process for producing aromatic compounds by supercritical water treatment | Koichi Nakahara, Takahisa Fujii, Wataru Miki, Kenzoh Nagami | 2001-12-18 |
| 6258940 | Method for producing erythrose | Bernard M. Kabyemela, Tadafumi Adschiri | 2001-07-10 |
| 6092538 | Method for using high density compressed liquefied gases in cleaning applications | Hiroshi Inomata, Richard L. Smith | 2000-07-25 |
| 6043453 | Apparatus for laser processing with a mechanical cutter | — | 2000-03-28 |
| 5888036 | Drill bit and step feeding method | Yasuhiko Kanaya | 1999-03-30 |
| 5756378 | Method of and apparatus for laser processing | — | 1998-05-26 |