Higuchi; Kanji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Higuchi; Kanji.The latest application filed is for "exchange system having originating call restriction function".
- Higuchi; Kanji - Kawasaki JP
- Higuchi; Kanji - Hekinan JP
| Patent | Date |
|---|---|
| Exchange system having originating call restriction function Grant 4,907,256 - Higuchi , et al. March 6, 1 | 1990-03-06 |
| Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends Grant 4,581,558 - Takamura , et al. April 8, 1 | 1986-04-08 |
| Spark plug for internal-combustion engine Grant 4,540,910 - Kondo , et al. September 10, 1 | 1985-09-10 |
| Ignition plug Grant 4,488,081 - Kondo , et al. December 11, 1 | 1984-12-11 |
| Insulator on spark plug electrode coated with zirconium and vanadium oxides Grant 4,267,483 - Nakajima , et al. May 12, 1 | 1981-05-12 |
| Spark plug having vanadium oxide islands on central insulator Grant 4,250,426 - Nakajima , et al. February 10, 1 | 1981-02-10 |
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