Inventor

Hiroyuki Mutou

Inventor

Yokohama, JP

Overview

1999–2013

Patent span

Physics

Primary field (CPC G)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B43Kprimary

B43KImplements for writing or drawing33%

H04NPictorial communication, e.g. television22%

G01BMeasuring length, thickness or similar linear dimensions11%

G01NInvestigating or analysing materials by determining their chemical or physical properties11%

G01SRadio direction-finding11%

G11BInformation storage based on relative movement between record carrier and transducer11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to MITSUBISHI PENCIL CO (2)· patent assignee history

1999–2001Patents assigned to NEC CORP (2)· patent assignee history

1999–2003Based in Yokohama, JP· patent location history

1999–2001Based in Tokyo, JP· patent location history

1999Based in Toyko, JP· patent location history

2003Patents assigned to MITSUBISHI PENCIL KABUSHIKIKAI (1)· patent assignee history

2007–2013Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history

2007Based in Ora-gun, JP· patent location history

2013Patents assigned to MAENO YOSHIAKI (1)· patent assignee history

2013Based in Ichinomiya, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI PENCIL CO	2	1999
NEC CORP	2	1999–2001
SANYO ELECTRIC CO	2	2007–2013
MAENO YOSHIAKI	1	2013
MITSUBISHI PENCIL KABUSHIKIKAI	1	2003

Locations