Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954630 | FM theta-inducing audible sound, and method, device and recorded medium to generate the same | Osamu Matsuda | 1999-09-21 |
| 5691873 | Apparatus to generate magnetism | — | 1997-11-25 |
| 5484386 | Hammer-like tool for relieving stiffness in the neck and shoulder | — | 1996-01-16 |
| 5343122 | Luminaire using incandescent lamp as luminous source | Hideo Sugimori, Osamu Matsuda | 1994-08-30 |
| 5264988 | Circuit to limit surges into a dc-operated lamp | — | 1993-11-23 |
| 5144274 | Sealed variable resistor | — | 1992-09-01 |
| 5133351 | Low-frequency electrotherapeutic device | — | 1992-07-28 |
| 5126636 | Lighting device | — | 1992-06-30 |
| 4988923 | Lighting equipment for providing bright illumination with limited surge | — | 1991-01-29 |
| 4960124 | Device for low-frequency electrotherapy | — | 1990-10-02 |
| 4960125 | Device for low-frequency electrotherapy in a humid environment | — | 1990-10-02 |
| 4947087 | Lamp-lighting device | — | 1990-08-07 |
| 4945291 | Lamp-lighting device | — | 1990-07-31 |
| 4868536 | Output controller for electrotherapeutic device directed to use in a bath | — | 1989-09-19 |
| 4855649 | Single-wired switching circuit directed to limit surge into lamp | — | 1989-08-08 |
| 4841972 | Low-frequency treatment device directed to use in bath | — | 1989-06-27 |
| 4834701 | Apparatus for inducing frequency reduction in brain wave | — | 1989-05-30 |
| 4812804 | Controller for electric devices directed to use in bath | — | 1989-03-14 |
| 4800329 | Device for limiting inrush current | — | 1989-01-24 |
| 4792702 | Switch for iontophoresing cation and anion | — | 1988-12-20 |
| 4792777 | Variable water resistor for controlling the application of a therapeutic voltage to the human body | — | 1988-12-20 |
| 4786278 | Therapeutic device for iontophoresing cation and anion | — | 1988-11-22 |
| 4757419 | Apparatus for generating pulse line of magnetic force | — | 1988-07-12 |
| 4736138 | Apparatus for limiting surge currents in dc-illuminated incandescent lamp | — | 1988-04-05 |
| 4716511 | Surge current-limiting circuit | — | 1987-12-29 |