Inventor
SAKAKIBARA TAKAYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SAKAKIBARA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHUO HATSUJO KK
6 patentsUS6224686B1May 1, 2001
High-strength valve spring and it's manufacturing method
CHUO HATSUJO KK33 citations92
US6193816B1Feb 27, 2001
Spring with corrosion fatigue strength
CHUO HATSUJO KK32 citations92
US7699943B2Apr 20, 2010
Method for manufacturing high-strength spring
CHUO HATSUJO KK17 citations83
US8349095B2Jan 8, 2013
Spring steel and spring having superior corrosion fatigue strength
CHUO HATSUJO KK5 citations82
US7776440B2Aug 17, 2010
Spring coated with powder coating of epoxy resin and thermoplastic resin
CHUO HATSUJO KK10 citations82
US7407555B2Aug 5, 2008
Oil tempered wire for cold forming coil springs
CHUO HATSUJO KK14 citations82
FUJITSU LTD
4 patentsUS6090527AJul 18, 2000
Electron beam exposure mask and method of manufacturing the same and electron beam exposure method
FUJITSU LTD25 citations92
US5849437ADec 15, 1998
Electron beam exposure mask and method of manufacturing the same and electron beam exposure method
FUJITSU LTD24 citations92
US5952155ASep 14, 1999
Mask and method of creating mask as well as electron-beam exposure method and electron-beam exposure device
FUJITSU LTD10 citations73
US5824437AOct 20, 1998
Mask and method of creating mask as well as electron-beam exposure method and electron-beam exposure device
FUJITSU LTD6 citations73