Inventor
YAMAMOTO TAMENOBU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TAMENOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAMOTO KOGAKU
20 patentsUS6613433B2Sep 2, 2003
Polarizing optical composite and polarizing lens
YAMAMOTO KOGAKU109 citations97
US4768234ASep 6, 1988
Ski glove with a protector
YAMAMOTO KOGAKU103 citations96
US4584721AApr 29, 1986
Device for use in helmet for preventing fogging by electric heating
YAMAMOTO KOGAKU101 citations96
US4502480AMar 5, 1985
Helmet equipped with device for supplying atmospheric air
YAMAMOTO KOGAKU84 citations96
US4498202AFeb 12, 1985
Helmet equipped with ventilator
YAMAMOTO KOGAKU64 citations96
US7901074B2Mar 8, 2011
Lens for safety glasses
YAMAMOTO KOGAKU26 citations92
US6659608B2Dec 9, 2003
Polarizing optical article
YAMAMOTO KOGAKU40 citations92
US6611966B1Sep 2, 2003
Goggles
YAMAMOTO KOGAKU71 citations92
US5687428ANov 18, 1997
Goggles
YAMAMOTO KOGAKU27 citations92
US5459882AOct 24, 1995
Swimming goggles
YAMAMOTO KOGAKU41 citations92
USD350145SAug 30, 1994
Sunglasses
YAMAMOTO KOGAKU36 citations92
US7318960B2Jan 15, 2008
Polarizing molded article and process for preparing the same
YAMAMOTO KOGAKU11 citations79
USD480412SOct 7, 2003
Eye glasses
YAMAMOTO KOGAKU10 citations74
USD391283SFeb 24, 1998
Swimming goggles
YAMAMOTO KOGAKU10 citations74
USD370930SJun 18, 1996
Eye glasses
YAMAMOTO KOGAKU12 citations74
USD367665SMar 5, 1996
Eye-glasses
YAMAMOTO KOGAKU11 citations74
US6810536B2Nov 2, 2004
Swimming goggles
YAMAMOTO KOGAKU11 citations71
USD401956SDec 1, 1998
Eyecup
YAMAMOTO KOGAKU4 citations63
USD370929SJun 18, 1996
Eye glasses
YAMAMOTO KOGAKU5 citations63
US6814902B2Nov 9, 2004
Method for continuously manufacturing optical article
YAMAMOTO KOGAKU6 citations62