Issued Patents All Time
Showing 25 most recent of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645550 | Toner, process for producing toner, and two-component developing agent | Yasuhito Yuasa | 2010-01-12 |
| 7569322 | Toner, method for producing toner, two-component developer, and image forming apparatus | Yasuhito Yuasa, Hidekazu Arase | 2009-08-04 |
| 7560214 | Toner, process for producing toner, two-component developer and image forming apparatus | Yasuhito Yuasa, Hidekazu Arase, Masahisa Maeda | 2009-07-14 |
| 7459254 | Toner and two-component developer | Yasuhito Yuasa, Hidekazu Arase | 2008-12-02 |
| 7378458 | Method for preparing ink, ink cartridge and ink-jet recording apparatus | Hidekazu Arase, Masaichiro Tatekawa, Shigeru Kusakata, Tsutomu Matsuda, Masashi Itoh | 2008-05-27 |
| 7368007 | Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article | Shigeru Kusakata, Tsutomu Matsuda, Masashi Itoh, Hidekazu Arase, Masaichiro Tatekawa | 2008-05-06 |
| 7344235 | Ink composition for ink jet recording, ink cartridge, nozzle plate for ink jet recording, ink jet head, and recording apparatus | Hidekazu Arase | 2008-03-18 |
| 7250077 | Ink composition for inkjet recording, ink cartridge and recording apparatus | Hidekazu Arase | 2007-07-31 |
| 7196121 | Inkjet recording ink, solvent for use in said ink and cartridge and recording device having said ink | Hidekazu Arase, Hiroyuki Matsuo, Masaichiro Tatekawa | 2007-03-27 |
| 7188926 | Filler solution for inkjet head, inkjet head, and recording apparatus | Hidekazu Arase | 2007-03-13 |
| 7160934 | Ink for ink-jet recording, and ink cartridge and recording apparatus including the same | Masaichiro Tatekawa, Hiroyuki Matsuo | 2007-01-09 |
| 7152968 | Image formation method | Hidekazu Arase, Masaichiro Tatekawa, Keishi Taniguchi, Tsutomu Matsuda, Masashi Ito +1 more | 2006-12-26 |
| 7097698 | Ink-jet recording ink, ink cartridge and recording device using such ink | Takuma Takasu, Hidekazu Arase | 2006-08-29 |
| RE39045 | Method of manufacturing a fluorocarbon-based coating film | Kazufumi Ogawa | 2006-03-28 |
| 7015258 | Ink composition for ink jet recording, ink cartridge containing the ink composition, and recording apparatus using the ink composition | Hidekazu Arase | 2006-03-21 |
| 6988794 | Inkjet recording ink, method for producing said ink, and ink cartridge and recording device having said ink | Hidekazu Arase, Hiroyuki Matsuo, Masaichiro Tatekawa | 2006-01-24 |
| 6955429 | Ink-jet recording head, ink cartridge, and recording apparatus | Takatoshi Minoda, Hidekazu Arase, Masaichiro Tatekawa | 2005-10-18 |
| 6946024 | Ink composition for inkjet recording, ink cartridge, and recording apparatus | Hidekazu Arase | 2005-09-20 |
| 6942329 | Ink for inkjet recording, and cartridge and recording apparatus including the ink | Hidekazu Arase, Hiroyuki Matsuo, Masaichiro Tatekawa | 2005-09-13 |
| 6929686 | Ink composition for inkjet recording | Hidekazu Arase, Masaichiro Tatekawa, Keishi Taniguchi, Tsutomu Matsuda, Masashi Ito +1 more | 2005-08-16 |
| RE38752 | Method of manufacturing a fluorocarbon-based coating film | Kazufumi Ogawa | 2005-07-05 |
| 6871939 | Ink jet head and method for the manufacture thereof | Kenji Tomita, Tohru Nakagawa, Keisuke Shimamoto | 2005-03-29 |
| 6627264 | Method of manufacturing an ink-jet print head coated with a water repellent thin film | Kenji Tomita, Tohru Nakagawa, Keisuke Shimamoto | 2003-09-30 |
| 6521334 | Transparent substrate and method of manufacturing the same | Kazufumi Ogawa, Norihisa Mino | 2003-02-18 |
| 6503567 | Transparent substrate and method of manufacturing the same | Kazufumi Ogawa, Norihisa Mino | 2003-01-07 |