P

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 patents
US5561208AOct 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 patents

SONY CORP

2 patents

TAKAHASHI HARUHIKO

2 patents

TOSHIBA KK

1 patent

NIPPO ZEON CO LTD

1 patent