Inventor

Mitsuyoshi Yamaguchi

Inventor

Nagano, JP

Overview

1990–2021

Patent span

Performing operations

Primary field (CPC B)

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

B23Bprimary

B23BTurning29%

Y10TTechnical subjects covered by former us classification29%

B21FWorking or processing of metal wire7%

B60NSeats specially adapted for vehicles7%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors7%

G06TImage data processing or generation, in general7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

H04NPictorial communication, e.g. television7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to ALPS TOOL KK (2)· patent assignee history

1990–2013Based in Nagano, JP· patent location history

2003–2013Patents assigned to ALPS TOOL CO LTD (3)· patent assignee history

2003Based in Hanishina-gun, JP· patent location history

2013Patents assigned to KURIBAYASHI SHIGEO (1)· patent assignee history

2021Patents assigned to SHARP KK (1)· patent assignee history

2021Patents assigned to SHENZHEN TOREY MICROELECTRONIC TECH CO LTD (1)· patent assignee history

2021Based in Sakai, JP· patent location history

2021Based in Tochigi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALPS TOOL CO LTD	3	2003–2013
ALPS TOOL KK	2	1990–1991
KURIBAYASHI SHIGEO	1	2013
SHARP KK	1	2021
SHENZHEN TOREY MICROELECTRONIC TECH CO LTD	1	2021

Locations