Inventor
MATSUMOTO KIYOSHI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS5377178ADec 27, 1994
Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization
HITACHI LTD198 citations99
US5796428AAug 18, 1998
Electronic photography system
HITACHI LTD243 citations98
US5414451AMay 9, 1995
Three-dimensional recording and reproducing apparatus
HITACHI LTD141 citations98
US6590608B2Jul 8, 2003
Method and apparatus for managing a plurality of images by classifying them into groups
HITACHI LTD80 citations97
US7286153B1Oct 23, 2007
Three-dimensional recording and reproducing apparatus
HITACHI LTD45 citations96
US5614938AMar 25, 1997
Three-dimensional recording and reproducing apparatus
HITACHI LTD91 citations96
US6229566B1May 8, 2001
Electronic photography system
HITACHI LTD73 citations95
US5828636AOct 27, 1998
Optical disk apparatus having optimized focus shift mechanism control
HITACHI LTD34 citations93
US5737301AApr 7, 1998
Laser control for setting average recording power of "1" equal to average recording power of "0"
HITACHI LTD30 citations93
US5511050AApr 23, 1996
Focus error detecting method and optical head using the same
HITACHI LTD21 citations92
US5396477AMar 7, 1995
Light spot positioning method and optical disc memory apparatus employing the same
HITACHI LTD24 citations92
US5235591AAug 10, 1993
Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium
HITACHI LTD27 citations92
US5339319AAug 16, 1994
Rotary type storage apparatus and control method thereof
HITACHI LTD20 citations89
US6130797AOct 10, 2000
Magnetic recorder and magnetooptical recorder
HITACHI LTD16 citations84
US5648949AJul 15, 1997
Method and apparatus for information reproduction at variable reference level
HITACHI LTD12 citations74
US5448544ASep 5, 1995
Data recording/playback apparatus and signal processing method
HITACHI LTD13 citations74
US5034941AJul 23, 1991
Optical disk apparatus having auto-focusing servo systems for multiple light spots and method of starting the auto-focusing servo systems
HITACHI LTD7 citations74
ASAHI GLASS CO LTD
7 patentsUS5772862AJun 30, 1998
Film comprising silicon dioxide as the main component and method for its productiion
ASAHI GLASS CO LTD46 citations96
US5605609AFeb 25, 1997
Method for forming low refractive index film comprising silicon dioxide
ASAHI GLASS CO LTD75 citations96
US6311523B1Nov 6, 2001
Process for forming a glass sheet
ASAHI GLASS CO LTD23 citations92
US6101845AAug 15, 2000
Process for forming a glass sheet
ASAHI GLASS CO LTD33 citations92
US5209835AMay 11, 1993
Method for producing a specified zirconium-silicon amorphous oxide film composition by sputtering
ASAHI GLASS CO LTD27 citations91
US5464674ANov 7, 1995
Magnetic recording medium and method for its production
ASAHI GLASS CO LTD7 citations72
US6639318B1Oct 28, 2003
Integrated circuit device and its manufacturing method
ASAHI GLASS CO LTD2 citations62
UNIV TOKYO
6 patentsUS10137042B2Nov 27, 2018
Travelling apparatus
UNIV TOKYO8 citations83
US9995642B2Jun 12, 2018
Cantilever pressure sensor with division portions for dividing lever resistance and having piezoresistor element
UNIV TOKYO8 citations83
US9310265B2Apr 12, 2016
Tactile sensor and multi-axial tactile sensor
UNIV TOKYO18 citations83
US9645032B2May 9, 2017
Pressure-sensitive sensor
UNIV TOKYO8 citations79
US10234429B2Mar 19, 2019
Sensor
UNIV TOKYO3 citations70
US9504417B2Nov 29, 2016
Oral cavity sensor
UNIV TOKYO6 citations68
SANYO ELECTRIC CO
3 patentsBRISTOL MYERS CO
3 patentsSEIKO INSTR INC
2 patentsAISIN SEIKI
1 patentMATSUMOTO KIYOSHI
1 patentTAIRA TETSUYA
1 patentKASHIHARA HIROYUKI
1 patentNIKKA KK
1 patentSUMITOMO HEAVY INDUSTRIES
1 patentJAPAN STEEL WORKS LTD
1 patentKAO CORP
1 patentDAINIPPON SCREEN MFG
1 patentSHIMOYAMA ISAO
1 patentKAWASAKI HEAVY IND LTD
1 patentMITSUBISHI ELECTRIC CORP
1 patentShowing the top 50 of 68 patents by PatentIndex Score.