Inventor

Tsuyoshi Ishii

Inventor

Tokyo, JP

Overview

1989–2014

Patent span

Electricity

Primary field (CPC H)

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

A47Lprimary

A47LDomestic washing or cleaning14%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%

G11BInformation storage based on relative movement between record carrier and transducer14%

H01LSemiconductor devices14%

H04LTransmission of digital information, e.g. telegraphic communication14%

H10NElectric solid-state devices not otherwise provided for14%

Y10TTechnical subjects covered by former us classification14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to YAMAZAKI SANGYO KK (2)· patent assignee history

1989–1991Based in Osaka, JP· patent location history

2003–2014Patents assigned to MITSUMI ELECTRIC CO LTD (2)· patent assignee history

2003Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history

2003Based in Saitama, JP· patent location history

2003Based in Yamagata, JP· patent location history

2010Patents assigned to JAPAN AEROSPACE EXPLORATION (1)· patent assignee history

2010–2014Based in Tokyo, JP· patent location history

2014Patents assigned to ISHII TSUYOSHI (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUMI ELECTRIC CO LTD	2	2003–2014
YAMAZAKI SANGYO KK	2	1989–1991
HONDA MOTOR CO LTD	1	2003
ISHII TSUYOSHIself	1	2014
JAPAN AEROSPACE EXPLORATION	1	2010

Locations