Inventor · Yamakita, JP

Kaoru Tojo

23Patents
3h-index
32Co-inventors
59Inventor score

Filing activity: Jun 7, 2005 → Oct 31, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US8227054B2 Recording medium and manufacturing method thereof, and inkjet recording method Emerging Cross-Sectional Technologies 7 Active
US7704311B2 Ink composition, manufacturing method of ink, ink set, and recording method Chemistry; Metallurgy 6 Active
US9126449B2 Image forming method Chemistry; Metallurgy 3 Active
US8870339B2 Inkjet image forming method Chemistry; Metallurgy 3 Active
US7527683B2 Ink for ink-jet recording, ink set, and ink-jet recording method Chemistry; Metallurgy 3 Active
US8158212B2 Ink composition, inkjet recording method, and printed material Chemistry; Metallurgy 3 Active
US8746865B2 Image forming method Performing Operations; Transporting 2 Active
US8371687B2 Ink composition and image formation method Performing Operations; Transporting 2 Active
US8272732B2 Image forming method Performing Operations; Transporting 2 Active
US7503966B2 Black ink composition and ink jet recording method Chemistry; Metallurgy 2 Expired
US8399545B2 Azo pigment-containing aqueous ink for inkjet recording Chemistry; Metallurgy 1 Active
US8361213B2 Ink composition and image recording method Emerging Cross-Sectional Technologies 1 Active
US7918927B2 Inkjet recording liquid and inkjet recording method Chemistry; Metallurgy 1 Active
US7923083B2 Recording medium, ink composition and recording method using the same Performing Operations; Transporting 1 Active
US9309422B2 Ink set for inkjet recording and image forming method Chemistry; Metallurgy 1 Active
US7758683B2 Ink composition, ink set and recording method Chemistry; Metallurgy 0 Active
US8727521B2 Inkjet image forming method Performing Operations; Transporting 0 Active
US8076393B2 Ink composition, inkjet recording method, and printed material Emerging Cross-Sectional Technologies 0 Active
US9714356B2 Black ink composition, ink set, and image forming method Chemistry; Metallurgy 0 Active
US7909447B2 Inkjet recording method and inkjet-recording material Chemistry; Metallurgy 0 Active
US7736709B2 Recording medium and method for manufacturing recording medium Performing Operations; Transporting 0 Active
US8450394B2 Ink composition for ink-jet recording, and ink-jet recording method Chemistry; Metallurgy 0 Active
US8703239B2 Image forming method Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.