YK

Yoshihiro Kanzaka

YK Yoshida Kogyo K.K.: 19 patents #15 of 468Top 4%
NC Nippon Notion Kogyo Co.: 5 patents #2 of 16Top 15%
NC Nitto Boseki Co.: 2 patents #91 of 339Top 30%
YK Ykk: 1 patents #472 of 845Top 60%
📍 Nyuzen, JP: #1 of 19 inventorsTop 6%
Overall (All Time): #148,120 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
6058577 Attachment structure for fastener member to sheet-like object Kazuo Ida, Hirokazu Watanabe 2000-05-09
5667857 Toe puff for safety shoe Shoichi Watanabe, Hirokazu Inoguchi, Yoshiharu Tanaka, Hideji Ikehara, Ryuji Saiki +3 more 1997-09-16
5560985 Molding sheet material and toe puff for safety shoe Shoichi Watanabe, Hirokazu Inoguchi, Yoshiharu Tanaka, Hideji Ikehara, Ryuji Saiki +3 more 1996-10-01
5329677 Fastener assembly 1994-07-19
4967452 Attaching device for garment fastener element Hirokazu Watanabe 1990-11-06
4941234 Button collet Hirokazu Watanabe 1990-07-17
4571781 Drainable button assembly Masahiko Ito 1986-02-25
4570307 Button having plate for deflecting an attaching tack 1986-02-18
4562624 Snap fastener for use on garments 1986-01-07
4521943 Fastening for a garment 1985-06-11
4509232 Attaching post for snap fastener elements 1985-04-09
D276477 Buckle for belts or the like 1984-11-27
4481696 Snap-fit button 1984-11-13
D275716 Hook fastener for the waist bands of trousers or the like 1984-10-02
D275621 Hook fastener for the waist bands of trousers or the like 1984-09-25
D274480 Slide fastener 1984-07-03
4457050 Snap-fit button 1984-07-03
4407049 Buckle for belts or the like 1983-10-04
4397061 Grommet for setting in sheet material 1983-08-09
D269824 Hook fastener for garments 1983-07-26
4387488 Fabric-covered button 1983-06-14
4325185 Apparatus for gapping a continuous slide fastener stringer 1982-04-20
4287646 Automatically locking slider for slide fastener 1981-09-08
4224730 Method and apparatus for removing fastener elements from a slide fastener chain 1980-09-30
4221026 Separable end stop of a slide fastener 1980-09-09