Inventor
TAKANO MASATOSHI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “TAKANO MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
33 patentsUS5346197ASep 13, 1994
Manual recording paper insertion mechanism
ASAHI OPTICAL CO LTD67 citations95
US5839046ANov 17, 1998
Continuous form printer
ASAHI OPTICAL CO LTD21 citations93
US5909300AJun 1, 1999
Scanning apparatus having a cascade scanning optical system
ASAHI OPTICAL CO LTD30 citations92
US5835835ANov 10, 1998
Fixing unit having press roller opening/closing mechanisms
ASAHI OPTICAL CO LTD28 citations92
US5828479AOct 27, 1998
Cascade scanning optical system
ASAHI OPTICAL CO LTD33 citations92
US5671466ASep 23, 1997
Electrophotographic apparatus and sheet guide mechanism
ASAHI OPTICAL CO LTD28 citations92
US5528352AJun 18, 1996
Electrophotographic apparatus having original separation means
ASAHI OPTICAL CO LTD22 citations92
US5321479AJun 14, 1994
Electrophotographic apparatus
ASAHI OPTICAL CO LTD26 citations92
US5303010AApr 12, 1994
Doctor blade mounting structure
ASAHI OPTICAL CO LTD29 citations91
US5023667AJun 11, 1991
Apparatus for preventing damage to both an electrophotographic printer and a recording form used with the printer
ASAHI OPTICAL CO LTD34 citations91
US5926680AJul 20, 1999
Fixing unit
ASAHI OPTICAL CO LTD17 citations83
US5969347AOct 19, 1999
Synchronizing apparatus of a cascade scanning optical system having tilting measurement of reflecting surfaces
ASAHI OPTICAL CO LTD13 citations74
US5903377AMay 11, 1999
Scanning apparatus having a cascade scanning optical system
ASAHI OPTICAL CO LTD7 citations74
US5903378AMay 11, 1999
Scanning apparatus having a cascade scanning optical system
ASAHI OPTICAL CO LTD15 citations74
US5825522AOct 20, 1998
Cascade scanning optical system
ASAHI OPTICAL CO LTD10 citations74
US5541634AJul 30, 1996
Color printer with shiftable laser unit
ASAHI OPTICAL CO LTD7 citations74
US5325157AJun 28, 1994
Reset data creation mechanism for photoconductive drum counter
ASAHI OPTICAL CO LTD7 citations74
US5291242AMar 1, 1994
Gear arrangement for development unit of imaging device
ASAHI OPTICAL CO LTD14 citations74
US5289244AFeb 22, 1994
Wrinkle prevention structure for electrophotographic printer
ASAHI OPTICAL CO LTD15 citations74
US5249020ASep 28, 1993
Developing device for electrophotographic image recording apparatus
ASAHI OPTICAL CO LTD15 citations74
US5168317ADec 1, 1992
Image recording apparatus including record medium edge holder
ASAHI OPTICAL CO LTD8 citations74
US5148228ASep 15, 1992
Image recording apparatus
ASAHI OPTICAL CO LTD6 citations74
US5028156AJul 2, 1991
Sheet holding mechanism
ASAHI OPTICAL CO LTD11 citations74
US5016029AMay 14, 1991
Printer
ASAHI OPTICAL CO LTD14 citations74
US5842100ANov 24, 1998
Fixing unit
ASAHI OPTICAL CO LTD10 citations73
US5452072ASep 19, 1995
Transfer unit mounted on a pivotal upper cover
ASAHI OPTICAL CO LTD9 citations73
US5274477ADec 28, 1993
Electrophotographic facsimile apparatus having a pivoted upper structure
ASAHI OPTICAL CO LTD11 citations73
US5253013AOct 12, 1993
Image recording apparatus having releasable fixing device
ASAHI OPTICAL CO LTD18 citations73
US5043569AAug 27, 1991
Optical system of laser beam reader
ASAHI OPTICAL CO LTD10 citations71
US5867299AFeb 2, 1999
Cascade scanning optical system
ASAHI OPTICAL CO LTD5 citations63
US5365320ANov 15, 1994
Sheet warp prevention mechanism employed in a fixing unit of an electrophotographic printer
ASAHI OPTICAL CO LTD5 citations63
US5362163ANov 8, 1994
Sheet holding mechanism
ASAHI OPTICAL CO LTD6 citations63
US5241344AAug 31, 1993
Structure for mounting screen grid of corona charger in imaging device
ASAHI OPTICAL CO LTD6 citations63
SUMITOMO METAL MINING CO
9 patentsUS8052774B2Nov 8, 2011
Method for concentration of gold in copper sulfide minerals
SUMITOMO METAL MINING CO9 citations80
US10577255B2Mar 3, 2020
Method for producing solutions containing nickel or cobalt
SUMITOMO METAL MINING CO5 citations72
US12090464B2Sep 17, 2024
Method for producing precursor of lithium adsorbent
SUMITOMO METAL MINING CO2 citations68
US12589380B2Mar 31, 2026
Producing method of granulated body for lithium adsorption
SUMITOMO METAL MINING CO0 citations60
US9347115B2May 24, 2016
Method for recovering rare earth element
SUMITOMO METAL MINING CO2 citations60
US10501334B2Dec 10, 2019
Aqueous cobalt chloride solution refinement method
SUMITOMO METAL MINING CO0 citations51
US10239764B2Mar 26, 2019
Aqueous cobalt chloride solution purification method
SUMITOMO METAL MINING CO0 citations51
US9404169B2Aug 2, 2016
Method for recovering scandium
SUMITOMO METAL MINING CO0 citations51
US12291762B2May 6, 2025
Method for manufacturing nickel and cobalt-containing solution from hydroxide containing nickel and cobalt
SUMITOMO METAL MINING CO0 citations48