Inventor
Yoshisada Okayasu
Inventor
Kanagawa, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television17%
G11BInformation storage based on relative movement between record carrier and transducer13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
G07CTime or attendance registers9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
E05BLocks4%
G06FElectric digital data processing4%
H01HElectric switches4%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%
H01RElectrically-conductive connections4%
PatentTitleYear
7,556,884'Battery pack and thermostat used therefor'20096,568,943'Electric connection device, battery having electric connection device, and electronic equipment having battery'20036,465,913'Power source unit'20026,043,753'Remote-control-operated locking/unlocking system'20005,940,001'Transmission and reception system for controlling locking/unlocking operation of key'19995,568,198'Power supplying apparatus for a connecting apparatus and a video tape recorder having a built-in camera'19965,465,117'Connecting apparatus for a video tape recorder having a built-in camera'19955,341,171'Video camera apparatus with a connecting device for easy connection with electric apparatus'19945,189,520'Video camera modular accessory apparatus'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2009Patents assigned to SONY CORP (9)· patent assignee history
1993–1999Based in Kanagawa, JP· patent location history
2000–2009Based in Tokyo, JP· patent location history
2003Patents assigned to SMK KK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 9 | 1993–2009 |
| SMK KK | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 1993–1999 |
| Tokyo, JP | 4 | 2000–2009 |