Inventor
HAYASHI SEIICHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS4775765AOct 4, 1988
Coordinate input apparatus
HITACHI LTD127 citations95
US5127050AJun 30, 1992
Information processing apparatus separably combined with telephone unit
HITACHI LTD41 citations90
US4929159AMay 29, 1990
Variable-displacement rotary compressor
HITACHI LTD21 citations80
US4819108AApr 4, 1989
Apparatus for positioning magnetic head
HITACHI LTD18 citations72
US4777551AOct 11, 1988
Magnetic head supporting mechanism for flexible double-sided magnetic disks
HITACHI LTD14 citations72
US4658315AApr 14, 1987
Magnetic head mounting device of magnetic recording apparatus
HITACHI LTD11 citations72
US4446364AMay 1, 1984
Photoelectric converter on a transmissive substrate having light shielding
HITACHI LTD19 citations72
US4750068AJun 7, 1988
Mechanism for moving a magnetic head
HITACHI LTD10 citations70
US4675756AJun 23, 1987
Magnetic recording and reproducing apparatus
HITACHI LTD7 citations70
US4992893AFeb 12, 1991
Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus
HITACHI LTD8 citations68
US4739429AApr 19, 1988
Magnetic head and support therefore
HITACHI LTD6 citations61
US4000945AJan 4, 1977
Information recording apparatus
HITACHI LTD3 citations58
US3989364ANov 2, 1976
Electrophotographic copying apparatus
HITACHI LTD4 citations58
NICHIA CORP
8 patentsUS12068429B2Aug 20, 2024
Method for manufacturing light-emitting element
NICHIA CORP0 citations62
US11569413B2Jan 31, 2023
Method for manufacturing light-emitting element
NICHIA CORP0 citations62
US12527140B2Jan 13, 2026
Method of manufacturing light emitting element
NICHIA CORP0 citations52
US12408490B2Sep 2, 2025
Light emitting element
NICHIA CORP0 citations52
US11611013B2Mar 21, 2023
Method for manufacturing light-emitting element
NICHIA CORP0 citations52
US11538962B2Dec 27, 2022
Light-emitting element and method for manufacturing light-emitting element
NICHIA CORP0 citations52
US9912123B2Mar 6, 2018
Semiconductor light emitting device
NICHIA CORP1 citations52
US11063084B2Jul 13, 2021
Method for manufacturing light-emitting element
NICHIA CORP0 citations45
RIGAKU DENKI CO LTD
4 patentsUS6333967B1Dec 25, 2001
X-ray generator
RIGAKU DENKI CO LTD19 citations92
US6249566B1Jun 19, 2001
Apparatus for x-ray analysis
RIGAKU DENKI CO LTD37 citations92
US6970532B2Nov 29, 2005
Method and apparatus for measuring thin film, and thin film deposition system
RIGAKU DENKI CO LTD13 citations83
US6823042B2Nov 23, 2004
Apparatus for X-ray analysis and apparatus for supplying X-rays
RIGAKU DENKI CO LTD12 citations73