Inventor

Shinji Hamai

Inventor
Osaka, JP

Overview

19→
Patents
1995–2014
Patent span
Physics
Primary field (CPC G)

Patents· 19 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 transducer37%
H04NPictorial communication, e.g. television26%
H04LTransmission of digital information, e.g. telegraphic communication15%
G06FElectric digital data processing11%
G08CTransmission systems for measured values, control or similar signals4%
H04MTelephonic communication4%
H04WWireless communication networks4%
PatentTitleYear
8,654,756'Transmission device, reception device, transmission method, reception method, and transmission/reception system'20148,284,094'Wireless control system'20127,721,101'Communication apparatus and authentication apparatus'20107,418,511'Secured TCP/IP communication system for devices and private networks connected to the internet'20086,449,668'AV data input/output device'20026,424,478'Apparatus for recording and reproducing digital data and method for the same'20026,362,928'Apparatus for recording and reproducing digital data and method for the same'20026,292,878'Data recorder and method of access to data recorder'20016,122,280'Packet output device and packet output method'20006,118,930'Apparatus for recording digital signals by controlling frequency characteristics of digital signals utilizing bit extraction and interleaved NRZI modulation'20006,047,340'Method for transmitting data, and apparatus for transmitting data and medium'20006,031,959'Television signal recording and reproducing apparatus'20005,856,890'Digital data recording and reproducing apparatus with reliable error correcting coding and decoding'19995,825,567'Apparatus for recording digital signals by controlling frequency characteristics of digital signals utilizing bit extraction and interleaved NRZI molulation'19985,638,227'Digital data recording and reproducing apparatus'19975,579,182'Apparatus for recording digital signals superposed with controlled frequency components'19965,543,937'Apparatus for recording and playing back digital data'19965,535,208'Data transmission system and method'19965,446,597'Apparatus for recording digital signals with associated auxiliary data'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2002Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history
1995–2014Based in Osaka, JP· patent location history
1996Based in Hannan, JP· patent location history
2008Patents assigned to MATSUSHITA ELECTRIC INDUTRIAL (1)· patent assignee history
2008–2010Based in Kadoma, JP· patent location history
2010–2014Patents assigned to PANASONIC CORP (3)· patent assignee history
2012–2014Patents assigned to HAMAI SHINJI (2)· patent assignee history
2012Patents assigned to KOJIMA YASUSHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD151995–2002
PANASONIC CORP32010–2014
HAMAI SHINJIself22012–2014
KOJIMA YASUSHI12012
MATSUSHITA ELECTRIC INDUTRIAL12008
Locations
LocationPatentsSpan
Osaka, JP161995–2014
Kadoma, JP22008–2010
Hannan, JP11996