Inventor
Yutaka Haramoto
Inventor
Zama, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Gprimary
H03GControl of amplification29%
H04SStereophonic systems14%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles7%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
H01TSpark gaps7%
H03HImpedance networks, e.g. resonant circuits7%
H04BTransmission7%
H04HBroadcast communication7%
H05FStatic electricity7%
PatentTitleYear
10,988,093Vehicular static eliminating device and vehicle20214,449,106'Noise reducing apparatus'19844,363,006'Noise reduction system having series connected variable frequency filters'19824,363,007'Noise reduction system having series connected low and high frequency emphasis and de-emphasis filters'19824,359,605'Monaural signal to artificial stereo signals convertings and processing circuit for headphones'19824,139,728'Signal processing circuit'19794,137,507'Phase-shifting circuit'19794,072,914'Compression and expansion system with enlarged dynamic range'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1984Patents assigned to VICTOR COMPANY OF JAPAN (7)· patent assignee history
1978–1984Based in Zama, JP· patent location history
1982Based in Yokohama, JP· patent location history
2021Patents assigned to DENSO CORP (1)· patent assignee history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2021Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VICTOR COMPANY OF JAPAN | 7 | 1978–1984 |
| DENSO CORP | 1 | 2021 |
| SHARP KK | 1 | 2021 |
| TOYOTA MOTOR CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zama, JP | 5 | 1978–1984 |
| Yokohama, JP | 2 | 1982 |
| Toyota, JP | 1 | 2021 |