Inventor

Naruyasu Okamoto

Inventor

Tokyo, JP

Overview

12→

Patents

1997–2013

Patent span

Performing operations

Primary field (CPC B)

Patents· 12 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry31%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds21%

B01FMixing, e.g. dissolving, emulsifying or dispersing14%

Y02PClimate change mitigation technologies in the production or processing of goods10%

C07CAcyclic or carbocyclic compounds7%

C07DHeterocyclic compounds3%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

C08LCompositions of macromolecular compounds3%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

8,558,035'Reaction process utilizing critical water'2013 8,450,531'Method for synthesizing acrolein'2013 8,198,392'Polymer producing method and apparatus and polymer degassing method and apparatus'2012 8,153,754'Equipment and method for producing polyhydroxycarboxylic acid'2012 8,106,150'Polylactide manufacturing apparatus and method for manufacturing polylactide'2012 7,931,872'Polymerization processor'2011 7,776,277'Polymerization method and polymerization apparatus'2010 7,723,540'Method and apparatus for producing polyhydroxy carboxylic acid'2010 7,521,524'Polymerization method and polymerization apparatus'2009 7,160,948'Polymer alloy including polylactic acid'2007 6,846,103'Apparatus for continuous stirring and process for continuous polycondensation of polymer resin'2005 5,653,126'Packing material and air separator'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Based in Kudamatsu, JP· patent location history

2005–2013Based in Tokyo, JP· patent location history

2010–2013Patents assigned to HITACHI PLANT TECHNOLOGIES LTD (8)· patent assignee history

2012–2013Patents assigned to KAMIKAWA MASAYUKI (5)· patent assignee history

2012–2013Patents assigned to MATSUO TOSHIAKI (5)· patent assignee history

2012–2013Patents assigned to OKA KENICHIRO (5)· patent assignee history

2012–2013Patents assigned to OKAMOTO NARUYASU (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI PLANT TECHNOLOGIES LTD	8	2010–2013
KAMIKAWA MASAYUKI	5	2012–2013
MATSUO TOSHIAKI	5	2012–2013
OKA KENICHIRO	5	2012–2013
OKAMOTO NARUYASUself	5	2012–2013

Locations

Location	Patents	Span
Tokyo, JP	11	2005–2013
Kudamatsu, JP	1	1997