Inventor

Akio Owatari

Inventor

Suwa, JP

Overview

25→

Patents

1982–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 25 as inventor

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

C09Dprimary

C09DCoating compositions, e.g. paints, varnishes or lacquers23%

B41JTypewriters19%

B41MPrinting, duplicating, marking, or copying processes15%

Y10TTechnical subjects covered by former us classification13%

B08BCleaning in general3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

B42DBooks3%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

G03GElectrography3%

PatentTitleYear

7,601,417'Recorded matter having countermeasure against forging'2009 7,408,630'Recorded article with anti-counterfeit measures'2008 6,455,169'Inkjet recording sheet'2002 6,409,330'Sublimation transfer ink jet recording method and ink composition for use therein'2002 6,277,457'Cleaning sheet and recording medium set including the same cleaning sheet'2001 6,242,529'Aqueous ink jet compositions comprising a hydrophobic polymer functionalized polyuronic acid dispersent, and method of using'2001 6,174,611'Recording medium and ink jet recording method'2001 6,095,645'Ink jet recording method'2000 6,059,405'Ink-jet recording apparatus'2000 6,030,674'Cleaning sheet and recording medium set including the same cleaning sheet'2000 5,948,154'Color ink set for ink-jet recording'1999 5,928,787'Ink jet recording medium'1999 5,844,583'Ink jet recording method and apparatus providing a plurality of image resolutions with the same amount of ink per dot'1998 5,795,970'Mixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on print'1998 5,781,215'Ink jet recording method'1998 5,753,016'Ink composition excellent in reproduction of black color and ink jet recording method using the same'1998 5,704,969'Aqueous ink composition and method of recording using the same'1998 5,662,997'Ink jet recording film comprising cation-modified polyvinyl alcohol and recording method using the same'1997 5,616,174'Ink composition and ink jet recording method using the same'1997 5,092,926'Ink-jet printing ink'1992 4,973,992'Ink jet printing apparatus'1990 4,849,773'Ink jet recording apparatus'1989 4,489,334'Immersible oxygen absorbing capsule for ink jet fluid supply'1984 4,421,559'Jet printing ink composition'1983 4,352,691'Liquid ink for printers'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1984Patents assigned to EPSON CORP (3)· patent assignee history

1982–1984Based in Shiojiri, JP· patent location history

1989–2009Based in Nagano, JP· patent location history

1990–2009Patents assigned to SEIKO EPSON CORP (21)· patent assignee history

1992–2002Based in Suwa, JP· patent location history

1998Patents assigned to ORIENT CHEMICAL IND (1)· patent assignee history

1999Patents assigned to JUJO PAPER CO LTD (1)· patent assignee history

2001Patents assigned to NIPPON PAPER IND CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	21	1990–2009
EPSON CORP	3	1982–1984
JUJO PAPER CO LTD	1	1999
NIPPON PAPER IND CO	1	2001
ORIENT CHEMICAL IND	1	1998

Locations

Location	Patents	Span
Suwa, JP	12	1992–2002
Nagano, JP	10	1989–2009
Shiojiri, JP	3	1982–1984