Inventor
KAWAI KOJI
JP120 patents
⚠️ This page may combine multiple inventors who share the name “KAWAI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TORAY INDUSTRIES
10 patentsUS5539119AJul 23, 1996
Indole derivatives
TORAY INDUSTRIES54 citations95
US6323212B1Nov 27, 2001
Morphinan derivative and its pharmaceutical applications
TORAY INDUSTRIES36 citations92
US6277859B1Aug 21, 2001
Morphinan derivative and its pharmaceutical applications
TORAY INDUSTRIES46 citations92
US6177438B1Jan 23, 2001
Morphinan derivatives and pharmaceutical use thereof
TORAY INDUSTRIES38 citations92
US5739145AApr 14, 1998
Antitussive agents
TORAY INDUSTRIES29 citations92
US5332818AJul 26, 1994
Immunosuppressive agent and process of producing the same
TORAY INDUSTRIES20 citations91
US5244904ASep 14, 1993
Indole derivatives
TORAY INDUSTRIES34 citations91
US5202447AApr 13, 1993
Process of producing 5,6,7-trinor-4,8-inter-m-phenylene pgi2 derivatives
TORAY INDUSTRIES33 citations90
US7320984B2Jan 22, 2008
Remedies or preventives for urinary frequency or urinary incontinence and morphinan derivatives having nitrogen-containing heterocyclic group
TORAY INDUSTRIES17 citations81
US6187782B1Feb 13, 2001
Morphinane derivatives and medicinal use thereof
TORAY INDUSTRIES11 citations74
SEIKO EPSON CORP
10 patentsUSD841085SFeb 19, 2019
Printer
SEIKO EPSON CORP13 citations92
USD802050SNov 7, 2017
Ink tank container for a printer
SEIKO EPSON CORP13 citations84
US9707768B2Jul 18, 2017
Plug member and liquid container unit
SEIKO EPSON CORP10 citations84
USD786345SMay 9, 2017
Ink tank cap
SEIKO EPSON CORP10 citations84
USD839342SJan 29, 2019
Printer
SEIKO EPSON CORP10 citations83
USD829276SSep 25, 2018
Printer
SEIKO EPSON CORP11 citations83
USD828442SSep 11, 2018
Printer
SEIKO EPSON CORP8 citations83
USD817392SMay 8, 2018
Ink cartridge
SEIKO EPSON CORP4 citations73
US9707769B2Jul 18, 2017
Recording apparatus
SEIKO EPSON CORP4 citations73
USD784444SApr 18, 2017
Ink tank for printer
SEIKO EPSON CORP2 citations73
MITSUI CHEMICALS INC
6 patentsUS6939928B1Sep 6, 2005
Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefin
MITSUI CHEMICALS INC101 citations97
US7488789B2Feb 10, 2009
Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization
MITSUI CHEMICALS INC45 citations95
US7449533B2Nov 11, 2008
Metallocene compound, process for preparing metallocene compound, olefin polymerization catalyst, process for preparing polyolefin, and polyolefin
MITSUI CHEMICALS INC39 citations92
US7393965B2Jul 1, 2008
Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same
MITSUI CHEMICALS INC29 citations92
US7678934B2Mar 16, 2010
Propylene copolymer, polypropylene composition and uses thereof, transition metal compound and olefin polymerization catalyst
MITSUI CHEMICALS INC11 citations91
US7081493B2Jul 25, 2006
Automotive part made of polypropylene resin composition
MITSUI CHEMICALS INC23 citations91
HAMAMATSU PHOTONICS KK
5 patentsUS5359255AOct 25, 1994
Discharge tube having a double-tube type structure
HAMAMATSU PHOTONICS KK128 citations97
US5191260AMar 2, 1993
Gas discharge tube providing improved flow line of electrons
HAMAMATSU PHOTONICS KK22 citations92
US6870317B2Mar 22, 2005
Gas discharge tube
HAMAMATSU PHOTONICS KK13 citations81
US6956326B2Oct 18, 2005
Gas discharge tube having insulator between aperture members
HAMAMATSU PHOTONICS KK7 citations74
US5159236AOct 27, 1992
Indirectly heated cathode for a gas discharge tube
HAMAMATSU PHOTONICS KK7 citations74
TOSHIBA TEC KK
4 patentsUS6549265B1Apr 15, 2003
Image formation apparatus and method of stabilizing the emission level of semiconductor laser source used therein
TOSHIBA TEC KK31 citations92
US6462855B1Oct 8, 2002
Light beam scanning apparatus
TOSHIBA TEC KK35 citations92
US6509921B2Jan 21, 2003
Light beam scanning apparatus with multiple sensors and patterns
TOSHIBA TEC KK17 citations84
US6426767B1Jul 30, 2002
Image forming apparatus for maintaining a constant beam scanning state
TOSHIBA TEC KK15 citations84
TOSHIBA KK
4 patentsUS7961361B2Jun 14, 2011
Image reading apparatus, image reading method and image reading program
TOSHIBA KK7 citations84
US6661444B2Dec 9, 2003
Light beam scanning apparatus
TOSHIBA KK10 citations74
US6646668B2Nov 11, 2003
Image forming apparatus for maintaining a constant beam scanning state
TOSHIBA KK12 citations74
US6639620B2Oct 28, 2003
Light beam scanning apparatus
TOSHIBA KK12 citations74
RICOH KK
3 patentsUS6489265B1Dec 3, 2002
Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium
RICOH KK16 citations91
US6174836B1Jan 16, 2001
Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium
RICOH KK29 citations91
US6362130B1Mar 26, 2002
Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the same
RICOH KK16 citations83
MITSUBISHI HEAVY IND LTD
2 patentsTOKAI OPTICAL CO LTD
1 patentMIYOSHI YUSHI KK
1 patentTSUJI SHIGERU
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentLENOVO SINGAPORE PTE LTD
1 patentMURATA MANUFACTURING CO
1 patentShowing the top 50 of 120 patents by PatentIndex Score.