RK

Ryoji Kawamura

YK Ykk: 17 patents #26 of 845Top 4%
CC Chugai Ro Co.: 2 patents #16 of 127Top 15%
SC Sokkia Co.: 2 patents #7 of 45Top 20%
📍 Nara, JP: #177 of 2,795 inventorsTop 7%
Overall (All Time): #211,077 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
7712196 Belt lock Ming-Hui Chen 2010-05-11
D551067 Cord stopper 2007-09-18
D536640 Buckle Chen Hui 2007-02-13
D502428 Cover member for slide fasteners Yasutaka Nishida 2005-03-01
6848577 Small article case Hiroshi Matoba 2005-02-01
D500967 Cover member for slide fasteners 2005-01-18
D497834 Belt adjuster 2004-11-02
D497113 Centripetal telescope that uses a laser for surveying instrument 2004-10-12
D491824 Centripetal telescope that uses a laser for surveying instrument 2004-06-22
6728999 Buckle Ryukichi Murai 2004-05-04
D483293 Buckle 2003-12-09
D471131 Buckle 2003-03-04
D470657 Card case 2003-02-25
6507982 Buckle 2003-01-21
D447980 Buckle 2001-09-18
6109908 Apparatus for molding a slider cover Hideshi Ikehara 2000-08-29
5884373 Auto-lock slider for slide fastener 1999-03-23
5848455 Auto-lock slide fastener slider and apparatus for molding slider cover Hideshi Ikehara 1998-12-15
D393431 Slider body for slide fasteners 1998-04-14
5079091 Green compact of incineration ashes of sewerage sludge and its burned product Shiro Takahashi, Kazuki Taniguchi, Hiroyuki Kawagishi 1992-01-07
4997711 Green compact of incineration ashes of sewerage sludge and its burned product Shiro Takahashi, Kazuki Taniguchi, Hiroyuki Kawagishi 1991-03-05