Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635154 | Process for producing fine metal oxide particles | Tadafumi Ajiri | 1997-06-03 |
| 5480630 | Process for producing fine metal oxide particles | Tadafumi Ajiri | 1996-01-02 |
| 5433878 | Method for producing fine particles of barium ferrite | Tadafumi Ajiri, Shin-ichi Yuki, Isao Ota | 1995-07-18 |
| 5349084 | Process for recovering high-purity organic acid | Akihiro Shishikura, Hiroshi Kimbara, Katsuhisa Yamaguchi | 1994-09-20 |
| 5332341 | Pressure foot of printed circuit board drilling apparatus | Yasuhiko Kanaya, Kazunori Hamada | 1994-07-26 |
| 5315072 | Printed wiring board having blind holes | Yasuhiko Kanaya | 1994-05-24 |
| 5199830 | Printed circuit board presser device in drilling machine | Tamio Otani, Kazuhiro Kogure, Yasuhiko Kanaya, Kazunori Hamada | 1993-04-06 |
| 5108236 | Low mass spindle and Z-axis unit | Yasuhiko Kanaya | 1992-04-28 |
| 5087156 | Printed circuit board boring machine | Yasuhiko Kanaya, Tamio Otani | 1992-02-11 |
| 5078558 | Low mass spindle and Z-axis unit | Yasuhiko Kanaya | 1992-01-07 |
| 5066171 | Method for drilling a printed circuit board | Hiromi Nishiyama, Hiroshi Aoyama, Yasuhiko Kanaya | 1991-11-19 |
| 5024562 | Pressure foot for printed circuit board drilling machine | Yasuhiko Kanaga | 1991-06-18 |
| 5010232 | Method of and apparatus for perforating printed circuit board | Yasuhiko Kanaya | 1991-04-23 |
| 4997319 | Apparatus for drilling a hole in a printed circuit board | Hiromi Nishiyama, Hiroshi Aoyama, Yasuhiko Kanaya | 1991-03-05 |
| 4915550 | Pressure foot of printed circuit board drilling apparatus | Yasuhiko Kanaya | 1990-04-10 |
| 4872787 | Method of drilling printed circuit board | Hiromi Nishiyama, Hiroshi Aoyama, Yasuhiko Kanaya | 1989-10-10 |