Inventor
Yasuhiro Ishizaki
Inventor
Kanagawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials38%
H04BTransmission38%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner13%
H03FAmplifiers13%
PatentTitleYear
5,920,236'Oscillator circuit having a power control element to initiate oscillation in a shortened time period'19995,369,782'Radio relay system, including interference signal cancellation'19945,349,694'Radio relay system with a multiplex separation circuit and control for providing time delay multiplex operation of receiver and transmitter'19945,267,297'Base station for a radio communication system'19934,489,283'Power amplifier'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1999Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1984Based in Kohriyama, JP· patent location history
1993–1994Based in Kanagawa, JP· patent location history
1999Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 5 | 1984–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 3 | 1993–1994 |
| Tokyo, JP | 1 | 1999 |
| Kohriyama, JP | 1 | 1984 |