RM

Ryukichi Murai

YK Yoshida Kogyo K.K.: 20 patents #13 of 468Top 3%
YK Ykk: 7 patents #98 of 845Top 15%
📍 Toyama, JP: #106 of 1,699 inventorsTop 7%
Overall (All Time): #147,827 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
7194787 Sheet attaching instrument and sheet attachment member Yasutaka Nishida, Ryoichiro Uehara, Yasuaki Funo 2007-03-27
D524694 Buckle Yasuaki Funo 2006-07-11
6728999 Buckle Ryoji Kawamura 2004-05-04
6357090 Twist latch 2002-03-19
5829105 Coupler for elongate article Hiroshi Matoba, Yoshinobu Takahashi, Hirokazu Watanabe 1998-11-03
5689860 Coupler for elongate article Hiroshi Matoba, Yoshinobu Takahashi, Hirokazu Watanabe 1997-11-25
5671508 Cord fastener 1997-09-30
5533240 Lock fastener 1996-07-09
D363049 Attachment ring for a buckle 1995-10-10
5454140 Cord locking device 1995-10-03
5451082 Lock fastener 1995-09-19
D360390 Buckle 1995-07-18
D359227 Swivel hook 1995-06-13
5419020 Separable buckle 1995-05-30
5355562 Buckle Hiroshi Matoba 1994-10-18
D349871 Buckle 1994-08-23
5297321 Fastening device 1994-03-29
5293673 Strap fastener 1994-03-15
5243741 Buckle Tsutomu Fudaki 1993-09-14
5138751 Buckle Yutaka Shima 1992-08-18
D328044 Adjustable strap fastener 1992-07-21
5113556 Buckle Masaaki Endo 1992-05-19
D308471 Unitary swivel hook and air hose support for divers 1990-06-12
4893851 Thumb turn latch 1990-01-16
4891867 Slide fastener Kiyoshi Takeshima 1990-01-09