P

Inventor

HOTTA YOSHIHIKO

JP121 patents
⚠️ This page may combine multiple inventors who share the name “HOTTA YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

27 patents
US5298476AMar 29, 1994

Rewritable bar code display medium, and image display method and image display apparatus using the same

RICOH KK123 citations99
US5920844AJul 6, 1999

Information display method

RICOH KK129 citations98
US5471044ANov 28, 1995

Information recording card, and information recording and recognition methods using the card

RICOH KK125 citations98
US6329035B1Dec 11, 2001

Optical data storage medium capable of reversibly displaying information

RICOH KK119 citations97
US5521371AMay 28, 1996

Rewritable bar code display medium, and image display method and image display apparatus using the same

RICOH KK50 citations96
US7728860B2Jun 1, 2010

Method for image processing and image processing apparatus

RICOH KK21 citations93
US6818591B2Nov 16, 2004

Reversible thermosensitive recording medium, label, and image forming and erasing method using the same

RICOH KK48 citations93
US6172001B1Jan 9, 2001

Reversible thermosensitive recording medium and image forming and erasing method using the same

RICOH KK25 citations93
US5948727ASep 7, 1999

Reversible thermosensitive recording medium and image forming and erasing method using the same

RICOH KK25 citations93
US5686382ANov 11, 1997

Thermal recording structure and method

RICOH KK21 citations93
US4917948AApr 17, 1990

Reversible thermosensitive recording material

RICOH KK31 citations93
US7439993B2Oct 21, 2008

Image processing method and image processing apparatus

RICOH KK39 citations92
US6660452B2Dec 9, 2003

Optical information memory medium and display recording method using the same

RICOH KK21 citations92
US5747413AMay 5, 1998

Reversible thermosensitive recording material and method of forming and erasing images

RICOH KK23 citations92
US5379058AJan 3, 1995

Recording apparatus using a thermosensitive recording medium

RICOH KK20 citations92
US5321239AJun 14, 1994

Card processing method

RICOH KK25 citations92
US5283220AFeb 1, 1994

Reversible thermosensitive recording material

RICOH KK27 citations92
US5278128AJan 11, 1994

Reversible thermosensitive recording material

RICOH KK41 citations92
US5219820AJun 15, 1993

Reversible thermosensitive recording material and method of producing the same

RICOH KK46 citations92
US5158924AOct 27, 1992

Reversible thermosensitive recording material and image display method of using the same

RICOH KK43 citations92
US6489265B1Dec 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
US5880445AMar 9, 1999

Method of recording information and images in card having information recording portion and image recording portion

RICOH KK39 citations91
US6770592B2Aug 3, 2004

Reversible thermosensitive recording medium and image processing method using the same

RICOH KK22 citations90
US6015770AJan 18, 2000

Reversible thermosensitive recording material and method of use thereof

RICOH KK18 citations84
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
US6096683AAug 1, 2000

Reversible thermosensitive recording medium and method for producing the medium

RICOH KK19 citations83

HONDA MOTOR CO LTD

11 patents

ISHIMI TOMOMI

4 patents

SUMITOMO WIRING SYSTEMS

3 patents

KAWAHARA SHINYA

2 patents

MITSUBISHI PLASTICS INC

1 patent

RICOH CO LTD

1 patent

ASAI TOSHIAKI

1 patent

Showing the top 50 of 121 patents by PatentIndex Score.