Inventor
HAMADA TOSHIMASA
JP23 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA TOSHIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
9 patentsUS5644124AJul 1, 1997
Photodetector with a multilayer filter and method of producing the same
SHARP KK38 citations92
US5450237ASep 12, 1995
Hyperresolution optical system
SHARP KK29 citations92
US5648146AJul 15, 1997
Metallic wiring substrate
SHARP KK7 citations72
US7890029B2Feb 15, 2011
Image forming apparatus
SHARP KK6 citations62
US7664440B2Feb 16, 2010
Developing device and image forming apparatus having the same
SHARP KK2 citations62
US6620744B2Sep 16, 2003
Insulating film formation method, semiconductor device, and production apparatus
SHARP KK4 citations62
US7974545B2Jul 5, 2011
Developing device and image forming apparatus that utilize a variable AC bias voltage
SHARP KK0 citations41
US7949270B2May 24, 2011
Development method and image forming apparatus
SHARP KK0 citations41
US7899372B2Mar 1, 2011
Developing device and image forming apparatus
SHARP KK0 citations41
HAMADA TOSHIMASA
5 patentsUS8644741B2Feb 4, 2014
Developing device and image forming apparatus
HAMADA TOSHIMASA2 citations61
US8135295B2Mar 13, 2012
Image forming apparatus with a developing device utilizing an alternating bias voltage
HAMADA TOSHIMASA5 citations61
US8273889B2Sep 25, 2012
Method for producing 2-azaadamantane
HAMADA TOSHIMASA4 citations56
US8669367B2Mar 11, 2014
Method for producing 2-azaadamantane
HAMADA TOSHIMASA0 citations45
US9002226B2Apr 7, 2015
Developing device and image forming apparatus
HAMADA TOSHIMASA0 citations40
NISSAN CHEMICAL IND LTD
4 patentsUS6350748B1Feb 26, 2002
Sulfamoyl compounds and agricultural and horticultural fungicides
NISSAN CHEMICAL IND LTD9 citations72
US6620812B2Sep 16, 2003
Sulfamoyl compounds and agricultural and horticultural fungicides
NISSAN CHEMICAL IND LTD2 citations61
US5763365AJun 9, 1998
Fluoropropylthiazoline derivatives and herbicides
NISSAN CHEMICAL IND LTD2 citations61
US7067656B2Jun 27, 2006
Sulfamoyl compounds and agricultural and horticultural fungicides
NISSAN CHEMICAL IND LTD0 citations51