JP2018032003A
2016-08-26
Learning kit for understanding venn diagram or number sequence such as fibonacci sequence by seeing and touching them
JP2018030641A
2016-08-26
Envelope for proving copyright using postal system
JP2018009431A
2016-07-14
Awning capable of being easily assembled and disassembled in short time and satisfying required function and beautiful appearance
JP2016173833A
2016-04-08
Figure or code attached for reading kanji or kana, and combination with character
JP2017130905A
2016-01-19
Auxiliary tool for earphone achieving rich low sound condition
JP2014232291A
2013-05-29
Musical instrument capable of simultaneously playing while blowing trumpet or the like alone
JP2014219950A
2013-05-01
Combination of symbol and number for reading kana or kanji
JP2014026251A
2012-07-30
Foot-operated musical instrument exclusively for bass range
JP2014018631A
2012-07-20
Simple razor with smoothing material applied to portion lower than blade
JP2014000368A
2012-06-20
Device for supporting and guiding walking of the visually impaired
JP2013250542A
2012-05-30
Device dedicated to chord and tension note musical performance
JP2012008506A
2010-06-23
Layout and playing method of chord instrument operated by feet
JP2011037420A
2009-08-16
Horn for short distance, alarm device emitting electronic sound, and technical method thereof
JP2010013910A
2008-07-02
Technical method for eliminating excretion sound during use of water closet
JP2009294628A
2008-06-04
Posting of advertisement and technical method therefor
JP2005254779A
2004-03-09
Simple letter for proving copyright