Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936114 | Piezoelectric vibrator manufacturing method, piezoelectric vibrator, oscillator, electronic device, and radio-controlled watch | Masashi Numata, Kiyoshi Aratake, Kazuyoshi Sugama | 2011-05-03 |
| 7872401 | Piezoelectric vibrator with hermetically closed casing and filler comprising non-spherical conductive particles | Osamu Onitsuka, Kazuyoshi Sugama | 2011-01-18 |
| 5466917 | Microwave-absorptive heat-generating body and method for forming a heat-generating layer in a microwave-absorptive heat-generating body | Masaharu Matsuki, Toshiaki Yoshihara | 1995-11-14 |
| 5389587 | BN-group ceramics having excellent resistance to loss by dissolving | Masazumi Nakashima | 1995-02-14 |
| 5308044 | Boron nitride ceramics and molten metal container provided with members made of the same ceramics | Masazumi Nakashima, Mitsunori Kusumoto, Hiroshi Nakamura, Katsumi Ura, Akira Murata | 1994-05-03 |
| 4216028 | Thermocouple protecting tube | — | 1980-08-05 |