Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706647 | Method of and apparatus for manufacturing semiconductors | Yoshio Okamoto, Hideki Tomioka, Akira Ohkawa, Toshio Ando | 2004-03-16 |
| 4889995 | Apparatus for analysis employing electron | Shinjiro Ueda, Tadashi Otaka | 1989-12-26 |
| RE33129 | Vacuum pump | Mashiro Mase, Takashi Nagaoka, Minoru Taniyama, Makoto Terajima | 1989-12-12 |
| 4668160 | Vacuum pump | Masahiro Mase, Takashi Nagaoka, Minoru Taniyama, Makoto Terajima | 1987-05-26 |