Inventor

Hiromichi Takahashi

Inventor

Wakayama, JP

Overview

30→

Patents

1980–2015

Patent span

Textiles

Primary field (CPC D)

Patents· 30 as inventor

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

D21Cprimary

D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials17%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%

D21HPulp compositions15%

G06FElectric digital data processing11%

Y10TTechnical subjects covered by former us classification8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

A61KPreparations for medical, dental or toiletry purposes2%

B01DSeparation2%

B23BTurning2%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling2%

PatentTitleYear

8,972,309'Automatic updating apparatus, automatic updating method, and programmable storage medium embodying program to perform method for automatic updating'2015 8,777,526'Deep hole processing device'2014 8,117,148'Automatic updating apparatus, automatic updating method, and programmable storage medium embodying program to perform method for automatic updating'2012 7,744,725'Paper quality improver'2010 7,297,229'Paper bulking promoter'2007 7,122,098'Paper quality improver for papermaking and method for producing pulp sheet'2006 6,639,600'Image drawing method, image drawing apparatus, recording medium, and program'2003 6,599,392'Paper bulking promoter'2003 6,576,085'Paper bulking promoter'2003 6,565,708'Paper quality improver composition for papermaking'2003 6,346,169'Paper bulking promoter'2002 6,312,559'Deinking process using amine compounds and white water recycling'2001 6,273,995'Paper bulking promoter, highly bulky pulp sheet, and process for producing the pulp sheet'2001 6,251,220'Wastepaper deinking method using amine or acid salt of amine in the flotation stage'2001 6,197,168'Electrochemical stain prevention apparatus of submerged structure and process for producing submerged structure used in this apparatus'2001 6,179,957'Method for controlling deinking process using contact angle'2001 6,103,056'Method for controlling deinking flotation using interfacial potential of ink particles and pulp'2000 5,832,251'Emulation device'1998 5,801,135'Deinking composition comprising a fatty acid mixture and a nonionic surfactant'1998 5,672,244'High temperature deinking method using an alkylene oxide adduct'1997 5,325,512'Circuit emulator'1994 5,302,243'Deinking method'1994 5,288,369'Deinking method and deinking composition'1994 5,282,928'Deinking composition'1994 4,976,860'Conjugated polymer-cation exchanger composite membrane'1990 4,686,211'Medical composition for external application'1987 4,318,779'Method of manufacture of blast furnace cokes containing substantial amounts of low grade coals'1982 4,277,186'Printing and displaying apparatus'1981 4,263,592'Input pen assembly'1981 4,194,083'Capacitively coupled tablet'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2001Patents assigned to PENTEL KK (3)· patent assignee history

1980–2001Based in Soka, JP· patent location history

1982–2010Based in Wakayama, JP· patent location history

1987–2010Patents assigned to KAO CORP (19)· patent assignee history

1987–2014Based in Kawasaki, JP· patent location history

1994–1998Patents assigned to NEC CORP (2)· patent assignee history

1994–2003Based in Tokyo, JP· patent location history

2012–2015Patents assigned to TAKAHASHI HIROMICHI (3)· patent assignee history

2012–2015Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history

2012–2015Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAO CORP	19	1987–2010
PENTEL KK	3	1980–2001
TAKAHASHI HIROMICHIself	3	2012–2015
NEC CORP	2	1994–1998
RENESAS ELECTRONICS CORP	2	2012–2015

Locations

Location	Patents	Span
Wakayama, JP	18	1982–2010
Soka, JP	4	1980–2001
Tokyo, JP	3	1994–2003
Kanagawa, JP	2	2012–2015
Kawasaki, JP	2	1987–2014