Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052718 | Cylindrical workpiece cutting apparatus | Akinori Higuchi, Kazushige Nakatsuka, Katsuyuki Nakajima, Seiichi Sasaki | 2018-08-21 |
| 9914177 | Round hole machining method and round-hole machining device | Kenji Mori, Jin Fukumitsu, Takuro Kidani | 2018-03-13 |
| 9862034 | Round hole machining method and round hole machining device | Jin Fukumitsu, Kenji Mori, Takuro Kidani | 2018-01-09 |
| 9266208 | Metal ring manufacture method and metal ring manufacture device | Kazushige Nakatsuka, Akinori Higuchi, Katsuyuki Nakajima, Seiichi Sasaki, Nobuyuki Kouda +2 more | 2016-02-23 |
| 8487207 | Apparatus and method for cutting hollow cylindrical workpiece | Katsuyuki Nakajima, Daisuke Koshino | 2013-07-16 |
| 8258429 | Laser working apparatus, and laser working method | Takashi Kobayashi, Katsuyuki Nakajima, Hiroaki Yamagishi | 2012-09-04 |
| 8173932 | Perforation method and perforation apparatus | Takashi Kobayashi, Hiroaki Yamagishi, Katsuyuki Nakajima | 2012-05-08 |
| 6520414 | Laser beam scan type barcode reader and program recording mediums | Keiichi Tanioka | 2003-02-18 |
| 6419155 | Laser beam scan type barcode reader and program recording mediums | Keiichi Tanioka | 2002-07-16 |