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Inventor

Ryuuji Akiyama

Inventor
Kusatsu, JP

Overview

3→
Patents
1996–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Lprimary
B01LChemical or physical laboratory apparatus for general use25%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids25%
F24FAir-conditioning25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
PatentTitleYear
8,657,937'Dust collector'20147,185,504'Air conditioner'20075,538,691'Reaction vessel for optical measurement'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2014Patents assigned to DAIKIN IND LTD (3)· patent assignee history
1996–2007Based in Kusatsu, JP· patent location history
2014Patents assigned to AKIYAMA RYUUJI (1)· patent assignee history
2014Patents assigned to HARUNA SHUNJI (1)· patent assignee history
2014Patents assigned to MOTEGI KANJI (1)· patent assignee history
2014Patents assigned to TANAKA TOSHIO (1)· patent assignee history
2014Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD31996–2014
AKIYAMA RYUUJIself12014
HARUNA SHUNJI12014
MOTEGI KANJI12014
TANAKA TOSHIO12014
Locations
LocationPatentsSpan
Kusatsu, JP21996–2007
Osaka, JP12014