Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158659 | Electrode clamp device | Kazuo Suzuki | 1992-10-27 |
| 5111017 | Power supply circuit for discharge machining | Masaki Kurihara | 1992-05-05 |
| 5008509 | Production method of honeycomb die-forming electrical discharge machining electrodes and production method of honeycomb dies | Isao Hattori | 1991-04-16 |
| 4952790 | Electrical discharge machining control circuit | — | 1990-08-28 |
| 4940872 | Electric discharge machining circuit | — | 1990-07-10 |
| 4883420 | Die for extruding honeycomb structural bodies | Sei Ozaki, Satoru Inoue | 1989-11-28 |
| 4875264 | Method for producing dies for extruding honeycomb structures | Satoru Inoue | 1989-10-24 |
| 4830598 | Dies for extruding honeycomb structure | Satoru Inoue | 1989-05-16 |
| 4820146 | Super hard alloy dies for extruding honeycomb structures | Satoru Inoue | 1989-04-11 |
| 4808787 | Wire-cut electrical discharge machining equipment | — | 1989-02-28 |
| 4800248 | Electrical discharge machining apparatus with discharge current control | Masaki Kurihara | 1989-01-24 |
| 4792653 | Electrical discharge machining apparatus including a shield for preventing deformation by temperature | — | 1988-12-20 |
| 4780075 | Dies for extrusion-shaping ceramic honeycomb structural bodies | Sei Ozaki | 1988-10-25 |
| 4736656 | Extrusion die and manufacturing method of same | — | 1988-04-12 |
| 4707904 | Method of manufacturing a die for extruding honeycomb body | Sei Ozaki | 1987-11-24 |
| 4708609 | Tire manufacturing mold | Yasutada Yoda, Seisuke Sueyasu | 1987-11-24 |
| 4687433 | Die for extruding ceramic honeycomb structural bodies | Sei Ozaki, Masaru Kojima, Satoru Inoue | 1987-08-18 |
| 4653996 | Die for extruding honeycomb structural body | Sei Ozaki | 1987-03-31 |
| 4576559 | Vented tire molding mold | Yasutada Yoda, Seisuke Sueyasu, Michihiro Orikawa | 1986-03-18 |
| 4553918 | Tire molding mold | Yasutada Yoda, Seisuke Sueyasu | 1985-11-19 |
| 4543050 | Tire manufacturing mold | Kenichi Takahashi, Koichi Hirano | 1985-09-24 |
| 4471200 | Method for manufacturing tire molding metal molds with a two-stage electrical discharge machining process | Kenichi Takahashi, Koichi Hirano | 1984-09-11 |
| 4411175 | Method for making a ring-shaped mold | Kenichi Takahashi, Koichi Hirano | 1983-10-25 |
| 4409457 | System for manufacturing tire molding metal molds with electrical discharge machining | Kenichi Takahashi, Koichi Hirano | 1983-10-11 |
| 4298564 | Die for extruding a honeycomb structural body and a method of extruding the same | Noboru Higuchi | 1981-11-03 |