loadpatents
name:-0.027122974395752
name:-0.016019105911255
name:-0.0005030632019043
Omatsu; Takeshi Patent Filings

Omatsu; Takeshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Omatsu; Takeshi.The latest application filed is for "water base dual color ink composition and writing utensil using the same".

Company Profile
0.13.16
  • Omatsu; Takeshi - Kyoutanabe JP
  • Omatsu; Takeshi - Osaka JP
  • Omatsu; Takeshi - Kyotanabe JP
  • Omatsu; Takeshi - Kyoto-Fu JP
  • Omatsu; Takeshi - Osaka-shi JP
  • Omatsu; Takeshi - Kyoto JP
  • Omatsu, Takeshi - Kyotanabe-shi JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Water base dual color ink composition and writing utensil using the same
Grant 8,123,845 - Omatsu , et al. February 28, 2
2012-02-28
Water-based ink composition
Grant 8,080,098 - Kurihara , et al. December 20, 2
2011-12-20
Tip unit for liquid applicator, method for producing the same, and liquid applicator having the tip unit
Grant 7,914,222 - Inoue , et al. March 29, 2
2011-03-29
Ink backflow preventive for water-based ball-point pens
Grant 7,905,671 - Omatsu , et al. March 15, 2
2011-03-15
Oil-based ink composition for writing instruments
Grant 7,776,941 - Yoneda , et al. August 17, 2
2010-08-17
Water base dual color ink composition and writing utensil using the same
App 20100162921 - Omatsu; Takeshi ;   et al.
2010-07-01
Method of producing applicator tip
Grant 7,721,402 - Inoue , et al. May 25, 2
2010-05-25
Coating tool
Grant 7,637,680 - Yoneda , et al. December 29, 2
2009-12-29
Oil-Based Ink Composition for Writing Instruments
App 20090234069 - Yoneda; Shigeki P. ;   et al.
2009-09-17
Water base pigment ink composition for inner lead type writing instrument
Grant 7,541,394 - Kawauchi , et al. June 2, 2
2009-06-02
Aqueous ink composition
Grant 7,538,148 - Inoue , et al. May 26, 2
2009-05-26
Ink Backflow Preventive from Water-Based Ball-Point Pens
App 20070237569 - Omatsu; Takeshi ;   et al.
2007-10-11
Water-Based Ink Composition
App 20070203259 - Kurihara; Norimasa ;   et al.
2007-08-30
Tip unit for liquid applicator, method for producing the same, and liquid applicator having the tip unit
App 20070110507 - Inoue; Hiroshi ;   et al.
2007-05-17
Coating tool
App 20070070165 - Yoneda; Shigeki ;   et al.
2007-03-29
Method of producing applicator tip
App 20060260112 - Inoue; Hiroshi ;   et al.
2006-11-23
Aqueous ink composition
App 20060233595 - Inoue; Hiroshi ;   et al.
2006-10-19
Water base pigment ink composition for inner lead type writing instrument
App 20060142418 - Kawauchi; Kazuhiro ;   et al.
2006-06-29
Water based pigment ink composition
App 20050234150 - Omatsu, Takeshi ;   et al.
2005-10-20
Ozone indicator and method of measuring ozone concentration
App 20040229372 - Omatsu, Takeshi ;   et al.
2004-11-18
Ozone indicator and method of measuring ozone concentration
App 20040229373 - Omatsu, Takeshi ;   et al.
2004-11-18
Oily ink for writing instrument
App 20040161286 - Omatsu, Takeshi ;   et al.
2004-08-19
Plasma sterilization indicator
Grant 6,659,036 - Omatsu , et al. December 9, 2
2003-12-09
Oily ink for writing instrument
Grant 6,655,867 - Omatsu , et al. December 2, 2
2003-12-02
Ozone indicator and method of measuring ozone concentration
App 20030165404 - Omatsu, Takeshi ;   et al.
2003-09-04
Oily ink for writing instrument
App 20030086744 - Omatsu, Takeshi ;   et al.
2003-05-08
Oily ink for writing instrument
Grant 6,406,204 - Omatsu , et al. June 18, 2
2002-06-18
Ozone indicator and ozone sensor ink
Grant 6,336,964 - Omatsu , et al. January 8, 2
2002-01-08
Plasma sterilization indicator
App 20010054374 - Omatsu, Takeshi ;   et al.
2001-12-27

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