Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401684 | Automatic announcing device for an elevator | — | 2008-07-22 |
| 6479011 | Method of scrapping furnace bottom section of blast furnace | Hirotaka Kojima, Mitsuru Kiguchi, Hiroyuki Yasuhara, Yasuo Ochiai | 2002-11-12 |
| 6403021 | Method of constructing a blast furnace body and lifting transfer apparatus | Hirotaka Kojima | 2002-06-11 |
| 6386325 | Elevator system with hall scanner for distinguishing between standing and sitting elevator passengers | — | 2002-05-14 |
| 6124219 | Functional material containing volatile agent | Koichi Taniguchi, Isao Tomoyasu, Yoshinori Nakano | 2000-09-26 |
| 5928661 | Controlled release composition containing volatile compound | Shuji Hirohama, Yoshihiro Hayashi, Shinichi Igarashi, Yuichi Mizukami, Yasushi Sekiyama +1 more | 1999-07-27 |
| 5880150 | Antimicrobial agent containing allyl isothiocyanate and method for controlling release speed of allyl isothiocyanate | Kiyoshi Kamei, Kiyoko Kawazu, Yuichi Mizukami, Yasushi Sekiyama | 1999-03-09 |
| 5616166 | Tapping method for blast furnace | Osamu Iida | 1997-04-01 |
| 5494026 | Dome connecting structure of external combustion hot stove for blast furnace | Rikio Ono, Teruaki Morimoto, Hiroshi Kanaya, Teruo Kanetsuna, Eiji Akimoto | 1996-02-27 |
| 4389044 | Mechanical punching apparatus for copper smelting converter | Yukio Iyama, Nobuhiro Higashiiriki | 1983-06-21 |
| 4353530 | Method and apparatus for automatically punching the tuyeres of a converter | Yukio Iyama, Nobuhiro Higashiiriki | 1982-10-12 |
| 4351561 | Locking device for an openable automobile roof | Yoshimasa Tuchiya, Katsumi Ishii, Toshiharu Iidaka | 1982-09-28 |
| 4303229 | Mechanical punching device for punching the tuyeres of a converter | Yukio Iyama, Nobuhiro Higashiiriki | 1981-12-01 |
| 4231240 | Screw plug assembly | Kiyoshi Kitaori | 1980-11-04 |
| 4214892 | Sublimable herbicidal compositions containing triisopropyl-or tritertiary-butyl-s-trioxane carriers | Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama | 1980-07-29 |
| 4210640 | Sublimable fungicidal compositions containing triisopropyl- or tritertiary-butyl-s-trioxane carriers | Yasuhiko Ueno, Yoshito Saeki, Takuya Akiyama | 1980-07-01 |