Inventor
Keiichi Totsuka
Inventor
Weehawken, NJ, US
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television23%
LOC1423%
H04BTransmission10%
H04HBroadcast communication10%
G06FElectric digital data processing6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
LOC166%
G07CTime or attendance registers3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H01HElectric switches3%
PatentTitleYear
D0707744'Portable digital camera'2014D0695330'Portable digital camera'2013D0670293'Digital reader cover'2012D0670287'Digital reader'20128,102,333'Display device securing mechanism and display system that rotates display devices around a rotational axis'20128,074,242'System and method for information supply and apparatuses therefor'20117,493,636'Method and apparatus for providing electronic coupons'20097,225,457'Information supply apparatus, information utilization apparatus, information manipulation apparatus, information supply system, information supply method, information utilization method and recording medium'20077,202,773'Authentication information communication system and method, portable information processing device and program furnishing medium'20077,181,024'Portable audio listening apparatus'20076,282,713'Method and apparatus for providing on-demand electronic advertising'20016,262,763'Actual size image display'20016,222,809'Compact disc player with lid for displaying compact disc jacket art'2001D0400201'Television receiver'1998D0399845'Loudspeaker with removable grille cloth'1998D0392973'Combined loudspeaker and stand'1998D0392974'Subwoofer loudspeaker'1998D0392976'Combined loudspeaker and stand with subwoofer'19985,457,448'Self-standing mini remote commander'1995D0342947'Radio tuner'1994D0342520'Combined radio tuner and clock'1993D0327269'Radio receiver'1992D0321513'Combined tape player and radio tuner'1991D0308202'Television receiver'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2014Patents assigned to SONY CORP (22)· patent assignee history
1993–2012Based in Tokyo, JP· patent location history
1995–2001Patents assigned to SONY ELECTRONICS INC (5)· patent assignee history
1995–2009Based in Weehawken, NJ, US· patent location history
1998Patents assigned to SONY AMERICA (3)· patent assignee history
2001Based in Edgewater, NJ, US· patent location history
2011–2012Patents assigned to TOTSUKA KEIICHI (4)· patent assignee history
2012Patents assigned to ARIE ISAMU (2)· patent assignee history
2012Based in Rolling Hills Estates, CA, US· patent location history
2013–2014Based in Rancho Palos Verdes, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 22 | 1990–2014 |
| SONY ELECTRONICS INC | 5 | 1995–2001 |
| TOTSUKA KEIICHIself | 4 | 2011–2012 |
| SONY AMERICA | 3 | 1998 |
| ARIE ISAMU | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weehawken, New Jersey, US | 8 | 1995–2009 |
| Tokyo, JP | 7 | 1993–2012 |
| Rancho Palos Verdes, California, US | 2 | 2013–2014 |
| Rolling Hills Estates, California, US | 2 | 2012 |
| Edgewater, New Jersey, US | 2 | 2001 |