Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403968 | Scanning electron microscope | Eiichi Hazaki, Kaname Takahashi | 2002-06-11 |
| 6296992 | Positive photoresist composition and process for forming contact hole | Satoshi Niikura, Miki Kobayashi, Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama | 2001-10-02 |
| 6278075 | Controller of wire electric discharge machine | Masao Kamiguchi, Kaoru Hiraga | 2001-08-21 |
| 6207340 | Positive photoresist composition and process for forming contact hole | Satoshi Niikura, Miki Kobayashi, Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama | 2001-03-27 |
| 6177226 | Positive photoresist composition and process for forming contact hole | Satoshi Niikura, Miki Kobayashi, Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama | 2001-01-23 |
| 6130510 | Electric discharge machining power source unit for electric discharge machine | Masao Murai, Akihiro Sakurai, Akiyoshi Kawahara | 2000-10-10 |
| 5737239 | Shaking test method and system for a structure | Toshihiko Horiuchi, Hiroaki KASAI, Takao Konno | 1998-04-07 |
| 5254325 | Process and apparatus for preparing carbon black | Hiroshi Yamasaki, Yasuhiro Sagara, Kazuaki Shinohara, Hiroshi Nakagaki, Takaaki Kanai | 1993-10-19 |
| 5111017 | Power supply circuit for discharge machining | Shoji Futamura | 1992-05-05 |
| D301472 | Computer | — | 1989-06-06 |
| 4800248 | Electrical discharge machining apparatus with discharge current control | Shoji Futamura | 1989-01-24 |
| D291442 | Computer | — | 1987-08-18 |
| D287727 | Electronic printer | — | 1987-01-13 |
| D284869 | Electronic calculator | — | 1986-07-29 |
| D282843 | Portable electronic computer | — | 1986-03-04 |
| D281426 | Keyboard for an electronic computer | Masahiko Mizuno | 1985-11-19 |
| D279728 | Carrying case | — | 1985-07-23 |
| D279580 | Portable electronic calculator | — | 1985-07-09 |
| 4441577 | Direction-variable speaker system | — | 1984-04-10 |