Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234259 | Process for recovery of copper from copper-containing chloride media | Yoshifumi Abe, Kazuaki Takebayashi, Akira Yoshimura, Takeshi Nakamura | 2016-01-12 |
| 8585798 | Method for recovering metal from ore | Yoshifumi Abe, Kazuaki Takebayashi, Yasunari Ishiguro, Akira Yoshimura | 2013-11-19 |
| 8388730 | Process of leaching gold | Yoshifumi Abe, Kazuaki Takebayashi, Yasunari Ishiguro, Akira Yoshimura | 2013-03-05 |
| 7842120 | Method of obtaining copper from ore | Yoshifumi Abe, Kazuaki Takebayashi, Yasunari Ishiguro, Akira Yoshimura | 2010-11-30 |
| 7682420 | Method for leaching gold | Yoshifumi Abe | 2010-03-23 |
| 7580651 | Image forming apparatus and method of controlling energy saving mode | Yoshiyuki Namizuka, Keiichiroh Katoh, Mitsuhisa Kanaya, Yuji Takahashi, Fumio Kawamura +4 more | 2009-08-25 |
| 6785201 | Optical information recording and reading apparatus | Yoko Shinohara, Yasuyuki Mitsuoka, Manabu Oumi, Nobuyuki Kasama, Hidetaka Maeda +6 more | 2004-08-31 |
| 5918087 | Image forming apparatus | Yoshiyuki Kimura | 1999-06-29 |
| 5887217 | Image forming apparatus that searches for toner cartridges in need of replacement | Yoshihiro Mitekura, Katsuhiro Kosuge | 1999-03-23 |
| 5862430 | Image forming apparatus with a sensing device that determines the presence or absence of a toner cartridge | Yoshihiro Mitekura, Katsuhiro Kosuge | 1999-01-19 |
| 5774232 | Image recording apparatus | Yasuhiro Tabata, Koji Hikawa, Yoshimasa Honda, Soukichi Araki, Yuichi Deguchi +3 more | 1998-06-30 |
| 5745664 | Image synthesizing method and image recording apparatus which electronically synthesizes an image with a page of information | Takakazu Nomura, Eiji Sawamura, Soukichi Araki, Yoshimasa Honda, Shinji Imoto +1 more | 1998-04-28 |
| 5717843 | Image recording apparatus | Yasuhiro Tabata, Koji Hikawa, Yoshimasa Honda, Soukichi Araki, Yuichi Deguchi +3 more | 1998-02-10 |
| 5602651 | Image recording apparatus | Yasuhiro Tabata, Koji Hikawa, Yoshimasa Honda, Soukichi Araki, Yuichi Deguchi +3 more | 1997-02-11 |
| 5242865 | Non-magnetic substrate of magnetic head | Ryuichi Nagase, Hifumi Nagai, Ryo Suzuki | 1993-09-07 |
| 5231555 | Magnetic head comprising a laminated magnetic layer structure between non magnetic rock salt structure oxide substrates | Eiji Itoh, Ryuichi Nagase, Kazuhiro Saito, Hihumi Nagai | 1993-07-27 |
| 5089196 | Non-magnetic substrate of magnetic head, magnetic head and method for producing substrate | Eiji Itoh, Ryuichi Nagase, Kazuhiro Saito, Hihumi Nagai | 1992-02-18 |
| 5068794 | System and method for computing asynchronous interrupted fuel injection quantity for automobile engines | — | 1991-11-26 |
| 5026614 | Magnetic recording medium with a zinc cobalt oxide non-magnetic substrate containing nickel or manganese | Eiji Itoh, Ryuichi Nagase, Kazuhiro Saito, Hihumi Nagai | 1991-06-25 |
| 4967715 | Fuel injection control system for an automotive engine | — | 1990-11-06 |
| 4957088 | Fuel injection control system for an automotive engine | — | 1990-09-18 |
| 4928654 | Fuel injection control system for an automotive engine | — | 1990-05-29 |
| 4923533 | Magnetic shield-forming magnetically soft powder, composition thereof, and process of making | Masao Shigeta, Tsutomu Choh, Hiroyoshi Shimizu, Ippo Hirai, Shohei Mimura +1 more | 1990-05-08 |
| 4916547 | Color image forming apparatus | Akio Katsumata, Mitsuo Hasebe, Yoshihiro Mitekura, Itaru Matsuda, Kotaro Yonenaga +2 more | 1990-04-10 |
| 4501666 | Process for the removal of bismuth and antimony from aqueous sulfuric acid solution containing bismuth and/or antimony | Takashi Ogata, Shunichi Kasai | 1985-02-26 |