LexDanaLexDanabeta
Inventor

Masaaki Okubo

Inventor
Sakai, JP

Overview

7→
Patents
2008–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general21%
B01DSeparation16%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses16%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner11%
Y02TClimate change mitigation technologies related to transportation11%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids5%
F23JRemoval or treatment of combustion products or combustion residues5%
H05HPlasma technique5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,171,090Oscillator, electronic apparatus, and moving object201910,027,331Oscillator, electronic apparatus, and moving object20188,574,506'Method and apparatus for processing exhaust gas'20138,297,045'Exhaust gas treating apparatus and treating method'20127,759,843'Highly stable piezoelectric oscillator, manufacturing method thereof, piezoelectric resonator storage case, and heat source unit'20107,521,031'Method and apparatus for treating exhaust gas'20097,442,218'Exhaust gas treatment apparatus'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2013Based in Sakai, JP· patent location history
2010Patents assigned to EPSON TOYOCOM CORP (1)· patent assignee history
2010Based in Chigasaki, JP· patent location history
2012–2013Patents assigned to JAPAN SCIENCE & TECH AGENCY (2)· patent assignee history
2012–2013Patents assigned to OKUBO MASAAKI (2)· patent assignee history
2012–2013Patents assigned to UNIV OSAKA PREFECT PUBLIC CORP (2)· patent assignee history
2012Based in Osaka, JP· patent location history
2018–2019Patents assigned to SEIKO EPSON CORP (2)· patent assignee history
2018Based in Namie-machi, JP· patent location history
2019Based in Minowa-machi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN SCIENCE & TECH AGENCY22012–2013
OKUBO MASAAKIself22012–2013
SEIKO EPSON CORP22018–2019
UNIV OSAKA PREFECT PUBLIC CORP22012–2013
EPSON TOYOCOM CORP12010
Locations
LocationPatentsSpan
Sakai, JP32008–2013
Minowa-machi, JP12019
Namie-machi, JP12018
Osaka, JP12012
Chigasaki, JP12010