Issued Patents All Time
Showing 426–436 of 436 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4308481 | Damped mounting for a piezoelectrically driven tuning fork resonator | Yoshimasa Yamashita | 1981-12-29 |
| 4305061 | Electrical filter and signal discriminating apparatus employing the same | — | 1981-12-08 |
| 4302694 | Composite piezoelectric tuning fork with eccentricly located electrodes | Satoru Fujishima | 1981-11-24 |
| 4290876 | Sputtering apparatus | Hiroshi Nishiyama, Suehiro Kato, Kenji Ando | 1981-09-22 |
| 4249872 | Apparatus for producing foamed plastic type cork lines | Seishiro Akaura, Yasushi Nagamune | 1981-02-10 |
| 4249162 | Remote control switch assembly | — | 1981-02-03 |
| 4236710 | Sheet supplying apparatus | Hiroshi Kushima | 1980-12-02 |
| 4228881 | Clutch release device of the self-centering type using a plastic deformation member | — | 1980-10-21 |
| 4223177 | Structure and method for sealing electronic parts | — | 1980-09-16 |
| 4220885 | Tuning fork mounting with damping means | Yoshimasa Yamashita | 1980-09-02 |
| 4193008 | Tuning fork formed of rolled invariable elasticity material | — | 1980-03-11 |