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Kohji Ishida

USPTO Granted Patents = 16

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 82(Granted Patents)

Company Filing History:

16 out of 2,861

Pioneer Electronic Corporation

Years Active: 1981-1993

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5253299 - Noise reduction apparatus in an FM stereo tuner (1993-10-12),

2. 5067157 - Noise reduction apparatus in an FM stereo tuner (1991-11-19),

3. 4633496 - Low-pass filter circuit (1986-12-30),

4. 4590615 - Multipath distortion reducing circuit (1986-05-20),

5. 4539697 - FM Stereo demodulating circuit (1985-09-03),

6. 4523329 - FM receiver (1985-06-11),

7. 4510452 - Circuit having square-law transfer characteristic (1985-04-09),

8. 4502148 - FM Stereo demodulator for demodulating stereo signals directly from an (1985-02-26),

9. 4497063 - FM stereo demodulator (1985-01-29),

10. 4489430 - FM Stereo demodulation circuit (1984-12-18),

11. 4399324 - Multiplex demodulation circuit (1983-08-16),

12. 4362906 - FM Receiver (1982-12-07),

13. 4315221 - Switching circuit (1982-02-09),

14. 4280101 - Stereophonic signal demodulation circuit (1981-07-21),

15. 4278944 - Chopper type switching circuit (1981-07-14),

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