Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579505 | Method of producing iron oxide pellets | Osamu Tsuchiya, Takao Harada, Jun Jimbo, Shoichi Kikuchi, Yasuhiko Igawa | 2003-06-17 |
| 6559669 | Synchronous semiconductor device, and inspection system and method for the same | Hiroyuki Sugamoto, Yasushige Tanaka | 2003-05-06 |
| 6539291 | Airborne turbulence alert system | Shunpei Kameyama, Wakasa Kise | 2003-03-25 |
| 6519100 | Optical pick-up apparatus | — | 2003-02-11 |
| 6511316 | Method of operating a rotary hearth furnace | Takao Harada, Masahiko Tetsumoto | 2003-01-28 |
| 6505508 | Apparatus for detecting turbulent layer | Shumpei Kameyama, Yoshihito Hirano, Shusou Wadaka, Wakasa Kise | 2003-01-14 |
| 6296479 | Direct reduction method and rotary hearth furnace | Makoto Nishimura | 2001-10-02 |
| 6258149 | Method of producing reduced iron agglomerates | Takeshi Sugiyama, Takao Harada, Sumito Hashimoto, Yoshimichi Takenaka, Shoji Shirouchi | 2001-07-10 |
| 6254665 | Method for producing reduced iron agglomerates | Koichi Matsushita, Masataka Tateishi, Takao Harada | 2001-07-03 |
| 6251161 | Method for operating moving hearth reducing furnace | Masataka Tateishi, Koichi Matsushita, Takao Harada | 2001-06-26 |
| 6129777 | Method of producing reduced iron agglomerates | Kojiro Fuji, Takao Harada, Takeshi Sugiyama, Yoshimichi Takenaka, Kazuya Miyagawa +6 more | 2000-10-10 |
| 5914819 | Image pickup apparatus having lens holding unit and adjustment mechanism | Kazuyuki Kondo, Kazushi Kitajima, Yukio Takemura | 1999-06-22 |
| 5393866 | Method for the production of polytetramethylene ether glycol | Nobuyuki Murai, Masayuki Shirato, Hiroshi Takeo | 1995-02-28 |
| 4916490 | Image forming apparatus comprising a plurality of developing devices | Yoshikuni Tohyama | 1990-04-10 |
| 4896193 | Multicolored image forming apparatus separable for ease of maintenance | Kazuo Kagiura, Noriyuki Yokoo, Mototada Toriumi, Hiroyoshi Maruyama, Yoichi Ishii | 1990-01-23 |
| 4845528 | Double-side image forming apparatus | Tomohiro Aoki, Kazuo Kawakubo, Katsushi Furuichi, Kiyokazu Namekata, Yoshikuni Tohyama +2 more | 1989-07-04 |
| 4792828 | Image forming apparatus for forming a plurality of image from different originals on one transfer sheet | Takashi Ozawa, Yasuyoshi Yamamoto, Masashi Ohashi, Akiyoshi Kimura, Nobukazu Sasaki +6 more | 1988-12-20 |
| 4674866 | Method and apparatus for two-side image formation | — | 1987-06-23 |
| 4561767 | Both-side recording apparatus | Tomohiro Aoki | 1985-12-31 |
| 4437756 | Double-side image forming apparatus | Kazuo Kawakubo, Katsushi Furuichi, Kiyokazu Namekata, Yashikuni Tohyama, Toshirou Kasamura +2 more | 1984-03-20 |
| 4306801 | Charging process for image forming apparatus | Yujiro Ando | 1981-12-22 |