Inventor
NAKAMURA EIICHI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CONLUX CO LTD
9 patentsUS5600621AFeb 4, 1997
Laser output control device for an optical information recording and reproducing apparatus
NIPPON CONLUX CO LTD19 citations84
US5107102AApr 21, 1992
Arrangement for detecting a signal for effecting a focus control of an optical head
NIPPON CONLUX CO LTD10 citations74
US5084851AJan 28, 1992
Optical head for recording and playing back optical information
NIPPON CONLUX CO LTD13 citations74
US5023439AJun 11, 1991
Arrangement for detecting a signal for effecting a focus control of an optical head
NIPPON CONLUX CO LTD12 citations74
US5561643AOct 1, 1996
Tracking system for use in regular and high density optical recording mediums
NIPPON CONLUX CO LTD6 citations63
US5408451AApr 18, 1995
Driving device for objective lens
NIPPON CONLUX CO LTD6 citations63
US5367515ANov 22, 1994
Optical recording/reproducing by reducing laser power when there is a track jump
NIPPON CONLUX CO LTD5 citations63
US5341053AAug 23, 1994
Linear motor with permanent magnets
NIPPON CONLUX CO LTD2 citations63
US5185729AFeb 9, 1993
Optical head with improved tracking and focusing error capabilities
NIPPON CONLUX CO LTD3 citations62
IDEMITSU KOSAN CO
6 patentsUS6815401B2Nov 9, 2004
Oil composition for heat treatment of a gear and gear treated by using the oil composition
IDEMITSU KOSAN CO16 citations92
US5376186ADec 27, 1994
Heat treating oil composition
IDEMITSU KOSAN CO20 citations92
US5250122AOct 5, 1993
Heat treating oil composition
IDEMITSU KOSAN CO19 citations81
US6828285B2Dec 7, 2004
Oil composition for heat treatment of a gear and gear treated by using the oil composition
IDEMITSU KOSAN CO12 citations74
US5908886AJun 1, 1999
Method for recovering cooling characteristics of water-soluble quenching medium, and water-soluble quenching medium with recovered cooling characteristics
IDEMITSU KOSAN CO9 citations74
US5766505AJun 16, 1998
Water-soluble quenching medium
IDEMITSU KOSAN CO9 citations73
NAKAMURA EIICHI
5 patentsUS7547429B2Jun 16, 2009
Fullerene derivatives and processes for producing the same
NAKAMURA EIICHI7 citations72
US9039935B2May 26, 2015
Photoelectric conversion material containing fullerene derivative
NAKAMURA EIICHI2 citations58
US8304643B2Nov 6, 2012
Photoelectric conversion material containing fullerene derivative
NAKAMURA EIICHI2 citations58
US8134019B2Mar 13, 2012
Process for producing fullerene derivative
NAKAMURA EIICHI0 citations48
US8153835B2Apr 10, 2012
Fullerene derivatives
NAKAMURA EIICHI0 citations35
SUZUKI MOTOR CO
3 patentsJAPAN SCIENCE & TECH AGENCY
3 patentsUS7781599B2Aug 24, 2010
Process for production of aromatic compounds
JAPAN SCIENCE & TECH AGENCY3 citations62
US11380861B2Jul 5, 2022
Monomolecular transistor
JAPAN SCIENCE & TECH AGENCY0 citations47
US7790913B2Sep 7, 2010
Fullerene derivative and methods for producing same
JAPAN SCIENCE & TECH AGENCY0 citations47