Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278054 | Power storage material and ultra power storage body | Mikio Fukuhara, Tomoyuki Kuroda, Osamu Ito, Toshiyuki Hashida, Takeshi Nakatani +1 more | 2025-04-15 |
| 6332828 | Method of and apparatus for mirror-like polishing wafer chamfer with orientation flat | Yasuyoshi Kuroka, Toshihiro Tsuchiya, Koichiro Ichikawa, Yasuo Inada | 2001-12-25 |
| 6234879 | Method and apparatus for wafer chamfer polishing | Tatsuo Ohtani, Yasuyoshi Kuroda | 2001-05-22 |
| 6113463 | Method of and apparatus for mirror-like polishing wafer chamfer with orientation flat | Yasuyoshi Kuroka, Toshihiro Tsuchiya, Koichiro Ichikawa, Yasuo Inada | 2000-09-05 |
| 6017497 | Atomizing roasting furnace for producing ferrite raw material powder | Katsushige Matsuzaki, Tatsunori Sunagawa, Kenji Kawahito, Junji Omori, Yoshitaka Yamana +10 more | 2000-01-25 |
| 5928066 | Apparatus for polishing peripheral portion of wafer | Yasuyoshi Kuroda, Toshihiro Tsuchiya, Koichiro Ichikawa, Yasuo Inada | 1999-07-27 |
| 5918587 | Method of producing slices | Hitoshi Misaka, Toshihiro Tsuchiya | 1999-07-06 |
| 5913719 | Workpiece holding mechanism | Makoto Kobayashi, Fumio Suzuki | 1999-06-22 |
| 5882539 | Wafer processing method and equipment therefor | Yasuyoshi Kuroda, Masayuki Yamada | 1999-03-16 |
| 5879220 | Apparatus for mirror-polishing thin plate | Makoto Kobayashi, Fumio Suzuki | 1999-03-09 |
| 5860853 | Apparatus for polishing wafers | Makoto Kobayashi, Fumio Suzuki | 1999-01-19 |
| 5766065 | Apparatus for polishing peripheral portion of wafer | Yasuyoshi Kuroda, Koichiro Ichikawa, Yasuo Inada | 1998-06-16 |
| 5733181 | Apparatus for polishing the notch of a wafer | Tatsuo Ohtani, Yasuyoshi Kuroda, Koichiro Ichikawa, Yasuo Inada | 1998-03-31 |
| 5727990 | Method for mirror-polishing chamfered portion of wafer and mirror-polishing apparatus | Tatsuo Ohtani, Yasuyoshi Kuroda, Koichiro Ichikawa, Yasuo Inada | 1998-03-17 |
| 5700179 | Method of manufacturing semiconductor wafers and process of and apparatus for grinding used for the same method of manufacture | Makoto Kobayashi, Tameyoshi Hirano | 1997-12-23 |
| 5688430 | Soft ferrite raw material powder, its sintered body, and their production method and apparatus | Katsushige Matsuzaki, Tatsunori Sunagawa, Kenji Kawahito, Junji Omori, Yoshitaka Yamana +10 more | 1997-11-18 |
| 5547415 | Method and apparatus for wafer chamfer polishing | Tatsuo Ohtani, Yasuyoshi Kuroda | 1996-08-20 |
| 5538463 | Apparatus for bevelling wafer-edge | Tatsuo Ohtani, Yasuyoshi Kuroda | 1996-07-23 |
| 5514025 | Apparatus and method for chamfering the peripheral edge of a wafer to specular finish | Masayuki Yamada | 1996-05-07 |
| 5476413 | Apparatus for polishing the periphery portion of a wafer | Tatsuo Ohtani, Yasuyoshi Kuroda, Koichiro Ichikawa, Yasuo Inada | 1995-12-19 |
| 5458529 | Apparatus for polishing notch portion of wafer | Tatsuo Ohtani, Koichiro Ichikawa, Yoshio Nakamura | 1995-10-17 |
| 5429544 | Polishing apparatus for notch portion of wafer | Tatsuo Ohtani, Koichiro Ichikawa, Yoshio Nakamura | 1995-07-04 |
| 5404678 | Wafer chamfer polishing apparatus with rotary circular dividing table | Tatsuo Ohtani, Yasuyoshi Kuroda | 1995-04-11 |
| 5317836 | Apparatus for polishing chamfers of a wafer | Masayuki Yamada, Hiroshi Kawano, Tatsuo Ohtani | 1994-06-07 |
| 5316620 | Method and an apparatus for polishing wafer chamfers | Tatsuo Ohtani, Hiroshi Kawano, Masayuki Yamada | 1994-05-31 |