Inventor
KAWAMURA KATSUMI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
25 patentsUS6203574B1Mar 20, 2001
Prosthetic bone filler and process for the production of the same
ASAHI OPTICAL CO LTD137 citations99
US5158756AOct 27, 1992
Porous particles of calcium phosphate compound and production process thereof
ASAHI OPTICAL CO LTD57 citations94
US5599113AFeb 4, 1997
Thermal printer
ASAHI OPTICAL CO LTD24 citations93
US5570962ANov 5, 1996
Thermal printer
ASAHI OPTICAL CO LTD52 citations93
US6306297B1Oct 23, 2001
Packing material for liquid chromatography and process for producing the same
ASAHI OPTICAL CO LTD28 citations92
US5917533AJun 29, 1999
Thermal line printer
ASAHI OPTICAL CO LTD20 citations92
US5825985AOct 20, 1998
Thermal printer and thermal printer head driving system
ASAHI OPTICAL CO LTD25 citations92
US5651884AJul 29, 1997
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD30 citations92
US5638104AJun 10, 1997
Thermal line printer
ASAHI OPTICAL CO LTD19 citations92
US5039408AAug 13, 1991
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD23 citations92
US6095700AAug 1, 2000
Battery operated thermal printer with means to optimize battery life
ASAHI OPTICAL CO LTD16 citations84
US5669720ASep 23, 1997
Thermal printer with minimized power difference between sequentially driven blocks of printing elements
ASAHI OPTICAL CO LTD18 citations84
US6145976ANov 14, 2000
Ink transfer printer
ASAHI OPTICAL CO LTD12 citations74
US6108097AAug 22, 2000
Mode control system
ASAHI OPTICAL CO LTD11 citations74
US5835107ANov 10, 1998
Printer with battery discharge device
ASAHI OPTICAL CO LTD16 citations74
US5807000ASep 15, 1998
Thermal transfer printer system and recording unit
ASAHI OPTICAL CO LTD7 citations74
US5714994AFeb 3, 1998
Thermal printer with power save feature
ASAHI OPTICAL CO LTD16 citations74
US5677721AOct 14, 1997
Thermal printer head driving system
ASAHI OPTICAL CO LTD17 citations74
US5651882AJul 29, 1997
Packing material for liquid chromatography and process for producing the same
ASAHI OPTICAL CO LTD4 citations74
US5171440ADec 15, 1992
Column for liquid chromatography
ASAHI OPTICAL CO LTD11 citations74
US5717837AFeb 10, 1998
Thermal printer and thermal printer head driving system
ASAHI OPTICAL CO LTD8 citations73
US5030611AJul 9, 1991
Porous ceramics material
ASAHI OPTICAL CO LTD17 citations71
US5929888AJul 27, 1999
Recording sheet cleaning apparatus for thermal printer
ASAHI OPTICAL CO LTD6 citations63
US5777657AJul 7, 1998
Thermal printer and thermal printer head driving system
ASAHI OPTICAL CO LTD4 citations63
USRE35340EOct 1, 1996
Packing material for liquid chromatography
ASAHI OPTICAL CO LTD2 citations63
PIONEER ELECTRONIC CORP
6 patentsUS5054013AOct 1, 1991
Track transverse detection signal generating circuit
PIONEER ELECTRONIC CORP23 citations93
US4748610AMay 31, 1988
Servo system in data reading apparatus
PIONEER ELECTRONIC CORP25 citations92
US5060215AOct 22, 1991
Method and apparatus for leading-in focus servo by moving the objective lens toward the recording surface at two different speeds
PIONEER ELECTRONIC CORP38 citations91
US5103436AApr 7, 1992
Tilt servo device in optical disc player
PIONEER ELECTRONIC CORP9 citations71
US5010582AApr 23, 1991
Pickup driving device for disk player
PIONEER ELECTRONIC CORP2 citations63
US4637005AJan 13, 1987
Focus servo device of a system for reading out recorded information
PIONEER ELECTRONIC CORP4 citations63
HITACHI LTD
4 patentsUS4984115AJan 8, 1991
Rotary actuator and bearing support therefor
HITACHI LTD24 citations92
US4879618ANov 7, 1989
Wind breaking assembly for a magnetic head
HITACHI LTD34 citations89
US4812934AMar 14, 1989
Actuator for memory storage device
HITACHI LTD10 citations74
US4892423AJan 9, 1990
Rotary actuator and fabrication process therefor
HITACHI LTD15 citations73
PIONEER CORP
3 patentsUS6885623B1Apr 26, 2005
Recording and reproducing method of information recording medium and information recording and reproducing apparatus
PIONEER CORP20 citations90
US7599259B2Oct 6, 2009
Recording and reproducing method of information regarding medium and information recording and reproducing apparatus
PIONEER CORP2 citations60
US7929826B2Apr 19, 2011
Information recording apparatus, information recording method and information recording medium in which recording controlling program is recorded
PIONEER CORP0 citations38