Inventor

Jiro Fujiwara

Inventor

Tokyo, JP

Overview

10→

Patents

1988–2019

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 transducer50%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers7%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%

G06FElectric digital data processing7%

H01RElectrically-conductive connections7%

H04NPictorial communication, e.g. television7%

H05KPrinted circuits7%

PatentTitleYear

10,497,392Disk holder for disk cartridge2019 9,261,899'Electronic apparatus'2016 8,978,054'Cartridge for accomodating a disc-shaped recording medium'2015 7,154,705'Magnetic head for rotary head drum'2006 7,116,247'Security arrangement with in-vehicle mounted terminal'2006 7,016,148'Magnetic head for rotary head drum'2006 5,722,584'Carton applicable as display package'1998 4,814,902'Apparatus for recording and/or reproducing with video and multiple audio rotary heads'1989 4,786,011'Loading device for directing a tape-like element from a supply reel to a take-up reel and about a guide drum therebetween'1988 4,779,818'Tape-like element loading device'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2019Patents assigned to SONY CORP (8)· patent assignee history

1988–1989Based in Kanagawa, JP· patent location history

1998Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history

1998Patents assigned to OTSUKA PHARMA CO LTD (1)· patent assignee history

1998–2019Based in Tokyo, JP· patent location history

2006Patents assigned to OMRON TATEISI ELECTRONICS CO (1)· patent assignee history

2006Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	8	1988–2019
DAINIPPON PRINTING CO LTD	1	1998
OMRON TATEISI ELECTRONICS CO	1	2006
OTSUKA PHARMA CO LTD	1	1998

Locations

Location	Patents	Span
Tokyo, JP	6	1998–2019
Kanagawa, JP	3	1988–1989
Kyoto, JP	1	2006