Inventor
Katsumi Kanayama
Inventor
Hachioji, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer79%
G04GElectronic time-pieces7%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H03KPulse technique7%
PatentTitleYear
4,628,390'Foot switch apparatus for a transcriber'19864,574,321'Automatic backspace device for a tape recorder'19864,477,751'Motor brake device'19844,470,085'Cue signal-recording apparatus'19844,417,135'Power saving electronic counter circuit for tape recorder'19834,385,228'Display device for tape recorder with automatic shut off and reset inhibiting'19834,385,332'Tape cassette lid opening device for magnetic recording tape driving apparatus'19834,370,684'Tape recorder with automatic tape end stopping and alarm generation'19834,367,500'Tape end detection apparatus'19834,348,701'Mode switching circuit'19824,345,286'Power supply device for a multifunction apparatus having a plurality of power sources'19824,340,951'Operation mode display apparatus'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to OLYMPUS OPTICAL CO (12)· patent assignee history
1982–1983Based in Hachioji, JP· patent location history
1984–1986Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OLYMPUS OPTICAL CO | 12 | 1982–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 8 | 1982–1983 |
| Tokyo, JP | 4 | 1984–1986 |