Inventor
MOTOYOSHI KATSUSADA
JP20 patents
⚠️ This page may combine multiple inventors who share the name “MOTOYOSHI KATSUSADA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
19 patentsUS5835646ANov 10, 1998
Active optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained thereby
FUJITSU LTD193 citations99
US6081632AJun 27, 2000
Method of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit board
FUJITSU LTD141 citations98
US5917980AJun 29, 1999
Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device
FUJITSU LTD98 citations98
US6693736B1Feb 17, 2004
Optical circuit system and components of same
FUJITSU LTD61 citations96
US6215585B1Apr 10, 2001
Optical circuit system and components of same technical field
FUJITSU LTD80 citations96
US5902715AMay 11, 1999
Method of forming a mirror in a waveguide
FUJITSU LTD54 citations96
US5757989AMay 26, 1998
Optical circuit system capable of producing optical signal having a small fluctuation and components of same
FUJITSU LTD80 citations96
US5658966AAug 19, 1997
Method of coupling optical parts and refractive index imaging material
FUJITSU LTD48 citations96
US6338975B1Jan 15, 2002
Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit device
FUJITSU LTD26 citations93
US5818983AOct 6, 1998
Optical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic film
FUJITSU LTD37 citations93
US6017681AJan 25, 2000
Method of coupling optical parts and method of forming a mirror
FUJITSU LTD39 citations92
US5581646ADec 3, 1996
Method of coupling optical parts and refractive index imaging material
FUJITSU LTD36 citations92
US5317429AMay 31, 1994
Trilayer nematic liquid crystal optical switching device
FUJITSU LTD33 citations92
US5274484ADec 28, 1993
Gradation methods for driving phase transition liquid crystal using a holding signal
FUJITSU LTD54 citations92
US5861444AJan 19, 1999
Refractive index imaging material
FUJITSU LTD15 citations82
US5856815AJan 5, 1999
Method of driving surface-stabilized ferroelectric liquid crystal display element for increasing the number of gray scales
FUJITSU LTD15 citations74
US10577992B2Mar 3, 2020
Microwave heating apparatus and exhaust gas purification apparatus
FUJITSU LTD3 citations73
US8378687B2Feb 19, 2013
Method of measuring characteristics regarding safety of battery
FUJITSU LTD3 citations62
US10850221B2Dec 1, 2020
Fine particle detector and exhaust gas purification apparatus
FUJITSU LTD0 citations42