Inventor
OHTA EIICHI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “OHTA EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
20 patentsUS6947195B2Sep 20, 2005
Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator
RICOH KK62 citations96
US6367914B1Apr 9, 2002
Electrostatic ink-jet head and method of production of the same
RICOH KK69 citations96
US5142390AAug 25, 1992
MIM element with a doped hard carbon film
RICOH KK61 citations96
US5132676AJul 21, 1992
Liquid crystal display
RICOH KK75 citations96
US5117299AMay 26, 1992
Liquid crystal display with a light blocking film of hard carbon
RICOH KK103 citations96
US5101288AMar 31, 1992
LCD having obliquely split or interdigitated pixels connected to MIM elements having a diamond-like insulator
RICOH KK62 citations96
US4849730AJul 18, 1989
Force detecting device
RICOH KK70 citations94
US7554574B2Jun 30, 2009
Abnormal state occurrence predicting method, state deciding apparatus, and image forming system
RICOH KK29 citations93
US5214416AMay 25, 1993
Active matrix board
RICOH KK28 citations93
US5153753AOct 6, 1992
Active matrix-type liquid crystal display containing a horizontal MIM device with inter-digital conductors
RICOH KK49 citations93
US7166486B2Jan 23, 2007
Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator
RICOH KK19 citations92
US5543945AAug 6, 1996
Method of driving an LCD employing combining two voltages which change polarity at different times in a frame
RICOH KK21 citations92
US5319479AJun 7, 1994
Deposited multi-layer device with a plastic substrate having an inorganic thin film layer
RICOH KK45 citations92
US4911023AMar 27, 1990
Force sensing apparatus
RICOH KK38 citations90
US4836034AJun 6, 1989
Force sensing apparatus
RICOH KK38 citations90
US6341847B1Jan 29, 2002
Electrostatic inkjet head having an accurate gap between an electrode and a diaphragm and manufacturing method thereof
RICOH KK16 citations79
US5008732AApr 16, 1991
Thin film two terminal element
RICOH KK16 citations74
US6354697B1Mar 12, 2002
Electrostatic typeinkjet head having a vent passage and a manufacturing method thereof
RICOH KK6 citations63
US7728503B2Jun 1, 2010
Electron emission element, charging device, process cartridge, and image forming apparatus
RICOH KK4 citations62
US7715760B2May 11, 2010
Charging device, and process cartridge and image forming apparatus using the same
RICOH KK6 citations62
BROTHER IND LTD
12 patentsUS4687352AAug 18, 1987
Printer with an image reader
BROTHER IND LTD65 citations95
US4748516AMay 31, 1988
Input/output device for image reading and printing
BROTHER IND LTD29 citations91
US4743089AMay 10, 1988
Photoelectric optical fiber reading apparatus
BROTHER IND LTD11 citations74
US4702630AOct 27, 1987
Facsimile-printer apparatus
BROTHER IND LTD18 citations73
US4684999AAug 4, 1987
Image reader
BROTHER IND LTD8 citations73
US4652743AMar 24, 1987
Optical image-reading apparatus
BROTHER IND LTD7 citations72
US5276509AJan 4, 1994
Multi-color facsimile apparatus having different data preparation and transmission modes and data preparations and transmission method practiced by the apparatus
BROTHER IND LTD15 citations71
US6058862AMay 9, 2000
Link-member swinging apparatus
BROTHER IND LTD10 citations68
US4647768AMar 3, 1987
Image sensing head for document scanning
BROTHER IND LTD6 citations63
US4722620AFeb 2, 1988
Printer with an image reader
BROTHER IND LTD5 citations61
US4647765AMar 3, 1987
Image sensing head of image reading device having light shield and base plate disposed at end face thereof
BROTHER IND LTD3 citations61
US5021877AJun 4, 1991
Optical image reading apparatus capable of reading multi-colored original
BROTHER IND LTD6 citations59