HA

Hitoshi Arita

Ricoh Company: 6 patents #18 of 863Top 3%
Overall (2004): #5,958 of 270,089Top 3%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6799845 Recording liquid, recording cartridge, recording method, recording apparatus and recording medium Tetsuya Kaneko, Masayuki Koyano, Nobutaka Osada 2004-10-05
6786588 Pretreatment liquid for recording material and image recording method using the pretreatment liquid Masayuki Koyano, Tetsuya Kaneko, Nobutaka Osada, Kakuji Murakami, Akihiko Gotoh +3 more 2004-09-07
6730149 Ink composition and inkjet recording method and apparatus using the ink composition Nobutaka Osada, Kiyofumi Nagai, Kakuji Murakami, Tomoko Maeda, Akihiko Gotoh 2004-05-04
6730155 Aqueous ink composition Akihiko Gotoh, Tomoko Maeda, Akiko Bannai, Kiyofumi Nagai, Tetsuya Kaneko +4 more 2004-05-04
6695443 Ink for ink jet recording, ink set for ink jet recording, method for ink jet recording, ink cartridge for ink jet recording, ink jet recording apparatus and recorded article Kiyofumi Nagai, Akihiko Gotoh, Akiko Bannai, Tetsuya Kaneko, Nobutaka Osada +4 more 2004-02-24
6688737 Recording liquid, inkjet recording method and recording equipment using the same Kiyofumi Nagai, Nobutaka Osada, Masayuki Koyano 2004-02-10