loadpatents
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".
Patent | Date |
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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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