Inventor
KOHARA TEIJI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “KOHARA TEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON ZEON CO
35 patentsUS5561208AOct 1, 1996
Medical implement, polymer composition, and optical material
NIPPON ZEON CO57 citations96
US5468803ANov 21, 1995
Medical implement, polymer composition, and optical material
NIPPON ZEON CO53 citations96
US5187012AFeb 16, 1993
Thermoplastic materials and article made therefrom
NIPPON ZEON CO47 citations96
US6633722B1Oct 14, 2003
Light guide plate with alicyclic resin
NIPPON ZEON CO115 citations95
US5539060AJul 23, 1996
Method for hydrogenation of metathesis polymers
NIPPON ZEON CO69 citations95
US5334424AAug 2, 1994
Thermoplastic norbornene resin formed articles and sustrates for liquid crystal display
NIPPON ZEON CO62 citations95
US5725960AMar 10, 1998
Molded articles having hard coat layer and method for producing same
NIPPON ZEON CO70 citations94
US5462995AOct 31, 1995
Hydrogenated products of thermoplastic norbornene polymers, their production, substrates for optical elements obtained by molding them, optical elements and lenses
NIPPON ZEON CO99 citations94
US5302656AApr 12, 1994
Molded article of norbornene-based polymer
NIPPON ZEON CO26 citations93
US6433102B1Aug 13, 2002
Hydrogenated polymers, resin composition, and process for producing substrate for information-recording medium
NIPPON ZEON CO31 citations92
US5543948AAug 6, 1996
Thermoplastic saturated norbornene resin phase plate
NIPPON ZEON CO38 citations92
US5437926AAug 1, 1995
Molded articles having hard coat layer
NIPPON ZEON CO22 citations92
US5366812ANov 22, 1994
Thermoplastic materials and article made therefrom
NIPPON ZEON CO27 citations92
US6883938B1Apr 26, 2005
Lighting equipment
NIPPON ZEON CO49 citations91
US6030255AFeb 29, 2000
Insulator and high frequency connector
NIPPON ZEON CO50 citations91
US5856395AJan 5, 1999
Resin composition and articles made therefrom
NIPPON ZEON CO25 citations91
US5580934ADec 3, 1996
Ring-opening hydrogenated copolymer and process for producing the same
NIPPON ZEON CO23 citations91
US5191026AMar 2, 1993
Ring-opening hydrogenated copolymer and process for producing the same
NIPPON ZEON CO47 citations91
US5599882AFeb 4, 1997
Ring-opening polymer and a process for production thereof
NIPPON ZEON CO44 citations89
US5571859ANov 5, 1996
Antistatic composition, resin composition and molded article of the resin composition
NIPPON ZEON CO21 citations89
US5063096ANov 5, 1991
Optical disk
NIPPON ZEON CO19 citations82
US5681900AOct 28, 1997
Hydrogenated norbornene ring-opening polymerization product, a process for production thereof and uses thereof
NIPPON ZEON CO11 citations74
US5276098AJan 4, 1994
Thermoplastic saturated norbornene group polymer composition
NIPPON ZEON CO12 citations74
US5106920AApr 21, 1992
Hydrogenated ring-opening polymer and process for producing same
NIPPON ZEON CO14 citations74
US5061771AOct 29, 1991
Ring-opened polymer from norbornene type of polycyclic monomer and process for producing the polymer
NIPPON ZEON CO10 citations73
US5034482AJul 23, 1991
Process for producing polymer by ring-opening polymerization
NIPPON ZEON CO13 citations73
US5885505AMar 23, 1999
Method for producing electronic part sealed body
NIPPON ZEON CO9 citations72
US5686156ANov 11, 1997
Press-through package
NIPPON ZEON CO11 citations72
US5665795ASep 9, 1997
Resin compositions and molded articles
NIPPON ZEON CO13 citations72
US5399646AMar 21, 1995
Alkylidenenorbornene polymer and process for producing the same
NIPPON ZEON CO7 citations71
US6277923B1Aug 21, 2001
Cycloolefin-based polymer and process for producing the same
NIPPON ZEON CO5 citations63
US6498215B2Dec 24, 2002
Resin composition comprising vinyl cyclic hydrocarbon polymer and a compound having an alcoholic hydroxy group and an ester linkage
NIPPON ZEON CO3 citations62
US6365660B1Apr 2, 2002
Resin composition and molded or formed product comprising vinyl cyclic hydrocarbon polymer
NIPPON ZEON CO4 citations62
US5143979ASep 1, 1992
Molding material
NIPPON ZEON CO5 citations61
US6500899B2Dec 31, 2002
Resin composition comprising vinyl cyclic hydrocarbon polymer
NIPPON ZEON CO0 citations52
ZEON CORP
9 patentsUS12049579B2Jul 30, 2024
Method of producing a roll-shaped body
ZEON CORP0 citations59
US10088605B2Oct 2, 2018
Optical film and production method for same
ZEON CORP1 citations51
US11247538B2Feb 15, 2022
Laminated glass
ZEON CORP0 citations49
US10553818B2Feb 4, 2020
Method for manufacturing organic electronic device sealing body
ZEON CORP0 citations49
US10889091B2Jan 12, 2021
Laminated glass
ZEON CORP0 citations45
US9814792B2Nov 14, 2017
Method for producing sterilized medical formed article
ZEON CORP0 citations40
US10328674B2Jun 25, 2019
Laminated glass
ZEON CORP0 citations38
US10239966B2Mar 26, 2019
Block copolymer hydride and stretched film formed from same
ZEON CORP0 citations38
US10005924B2Jun 26, 2018
Transparent adhesive sheet
ZEON CORP0 citations35
SONY CORP
2 patentsTAKAHASHI HARUHIKO
2 patentsUS8685510B2Apr 1, 2014
Hydrogenated norbornene-based ring-opening polymerization polymer, resin composition, and molded object
TAKAHASHI HARUHIKO2 citations60
US8481166B2Jul 9, 2013
Hydrogenated norbornene-based ring-opening polymerization polymer, resin composition, and molded object
TAKAHASHI HARUHIKO2 citations60