Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D610232 | Motor driven valve | — | 2010-02-16 |
| D602866 | Energizing coil for driving a motor driven valve | — | 2009-10-27 |
| D602562 | Motor driven valve | — | 2009-10-20 |
| D602563 | Motor driven valve | Masaharu Ito | 2009-10-20 |
| 7572316 | Method for manufacturing reduced metal | Hidetoshi Tanaka, Hiroshi Sugitatsu | 2009-08-11 |
| 7473198 | Apparatus for connecting bicycle chain links together | Kenji Kamada, Toshinari Oishi, Shingo Numata, Nobutaka Masaoka | 2009-01-06 |
| 7438730 | Method of producing iron oxide pellets | Yasuhiko Igawa, Jun Jimbo, Hidetoshi Tanaka, Shoichi Kikuchi, Osamu Tsuchiya +2 more | 2008-10-21 |
| 7340420 | Method and system for providing information on industrial wastes, server and terminal for providing the information, recording medium for recording computer-readable program, and program allowing computer to execute process | Hiroshi Sugitatsu, Hidetoshi Tanaka | 2008-03-04 |
| 7198658 | Method for producing feed material for molten metal production and method for producing molten metal | Hiroshi Sugitatsu, Hidetoshi Tanaka, Masaharu Kohno | 2007-04-03 |
| 6918947 | Method for making reduced iron | Takeshi Maki, Yoshiyuki Matsui, Takeshi Sugiyama, Masahiko Tetsumoto, Hiroshi Tamazawa +6 more | 2005-07-19 |
| 6811743 | Method and apparatus for supplying granular raw material for reduced iron | — | 2004-11-02 |
| 6811759 | Method of producing iron oxide pellets | Osamu Tsuchiya, Hidetoshi Tanaka, Jun Jimbo, Shoichi Kikuchi, Yasuhiko Igawa | 2004-11-02 |
| 6797034 | Method of producing reduced metals and apparatus for reducing metal oxides | Hiroshi Sugitatsu, Hidetoshi Tanaka | 2004-09-28 |
| 6685466 | Rotary hearth furnace for producing reduced metal and method of producing reduced metal | Hidetoshi Tanaka | 2004-02-03 |
| 6669470 | Method for operating manufacturing equipment including heating furnace | Masaaki Atsushi, Hidetoshi Tanaka, Hiroshi Sugitatsu | 2003-12-30 |
| 6579505 | Method of producing iron oxide pellets | Osamu Tsuchiya, Hidetoshi Tanaka, Jun Jimbo, Shoichi Kikuchi, Yasuhiko Igawa | 2003-06-17 |
| 6511316 | Method of operating a rotary hearth furnace | Masahiko Tetsumoto, Hidetoshi Tanaka | 2003-01-28 |
| 6500381 | Method and apparatus for supplying granular raw material for reduced iron | — | 2002-12-31 |
| 6319302 | Method for manufacturing reduced iron agglomerates and apparatus there for | — | 2001-11-20 |
| 6258149 | Method of producing reduced iron agglomerates | Takeshi Sugiyama, Hidetoshi Tanaka, Sumito Hashimoto, Yoshimichi Takenaka, Shoji Shirouchi | 2001-07-10 |
| 6254665 | Method for producing reduced iron agglomerates | Koichi Matsushita, Masataka Tateishi, Hidetoshi Tanaka | 2001-07-03 |
| 6251161 | Method for operating moving hearth reducing furnace | Masataka Tateishi, Koichi Matsushita, Hidetoshi Tanaka | 2001-06-26 |
| 6148726 | Tubular blanket and printing machine using tubular blanket | — | 2000-11-21 |
| 6129777 | Method of producing reduced iron agglomerates | Kojiro Fuji, Hidetoshi Tanaka, Takeshi Sugiyama, Yoshimichi Takenaka, Kazuya Miyagawa +6 more | 2000-10-10 |
| 4542070 | Process for adhering polyurethane elastomer to metal | Masaaki Ohtani, Yoshijiro Oyaizu, Tatsuhiko Kobayashi | 1985-09-17 |