Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235137 | Conductor treating single-wafer type treating device and method for semi-conductor treating | Hirofumi Kitayama | 2007-06-26 |
| D417438 | Quartz outer tube | — | 1999-12-07 |
| D405430 | Inner tube for use in a semiconductor wafer heat processing apparatus | — | 1999-02-09 |
| 5241438 | Magnetic disk drive device with mechanical parking mechanism | — | 1993-08-31 |
| 4468486 | Coated sand and method for producing | Yukio Saeki, Yukio Tokunaga | 1984-08-28 |
| 4459376 | Resin-coated sand for shell-molds and method for producing same | Yukio Saeki, Yukio Tokunaga | 1984-07-10 |
| 4452927 | Resin coated sand for shell molding process | Yukio Saeki, Yukio Tokunaga | 1984-06-05 |
| 4452926 | Resin-coated sand composition and method for producing same | Yukio Saeki, Hajime Kirabayashi | 1984-06-05 |
| 4418161 | Resin coated sand and method for producing same | Yukio Saeki, Yukio Tokunaga | 1983-11-29 |
| 4369263 | Friction material containing steel wool as reinforcing agent | Ken NOGUCHI, Kazuhisa Hirano | 1983-01-18 |
| 4345003 | Resol phenolic resin binder for hot coating of foundry sand | Shigeru Nemoto | 1982-08-17 |
| 4290928 | Binder for dry hot coat foundry process | Kyohei Funabiki, Naomitsu Inouye | 1981-09-22 |
| 4252700 | Resin binder for foundry sand cores and molds | Kyohei Funabiki, Naomitsu Inoue | 1981-02-24 |
| 4196114 | Process for producing resin-coated foundry sand | Kyohei Funabiki, Naomitsu Inouye | 1980-04-01 |