Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873923 | Blast furnace operation method | Akinori Murao, Daiki Fujiwara, Shiro Watakabe, Takashi Watanabe, Akio Shimomura | 2018-01-23 |
| 6230634 | Method of blowing synthetic resin into a furnace | Iwao Okochi, Mitsuhiro Fujii, Minoru Asanuma, Tatsuro Ariyama, Ryota Murai +5 more | 2001-05-15 |
| 5992335 | Method of blowing synthetic resin into furnace and apparatus therefor | Hiromi Nakamura, Iwao Okochi, Mitsuhiro Fujii, Atsushi Yamaguchi, Minoru Asanuma +11 more | 1999-11-30 |
| 5250242 | Method of producing ceramic sintered body having dense ceramic membrane | Hiroaki Nishio, Keiji Watanabe | 1993-10-05 |
| 5114749 | Method for manufacturing carbon material having good resistance to oxidation by coating the carbon material with an inorganic polysilazane and then heating | Hiroaki Nishio, Keiji Watanabe | 1992-05-19 |
| 5091222 | Method for forming a ceramic film | Hiroaki Nishio, Keiji Watanabe | 1992-02-25 |
| 5073330 | Method of molding polysilazane | Hiroaki Nishio, Keiji Watanabe | 1991-12-17 |
| 5066438 | Method of producing silicon nitride sintered body | Hiroaki Nishio | 1991-11-19 |
| 5021213 | Method of casting powder | Hiroaki Nishio, Akira Kato, Keiji Watanabe | 1991-06-04 |
| 4983368 | Method of producing .beta.-sialon fine powder | Keiji Watanabe, Hiroaki Nishio | 1991-01-08 |
| 4943403 | Method for molding a pulverulent material | Tsuneo Miyashita, Hiroaki Nishio | 1990-07-24 |
| 4909973 | Method for refining non-oxide ceramic powders | Hiroaki Nishio | 1990-03-20 |
| 4781016 | Steel cords | Toshio Sugawara | 1988-11-01 |
| 4719078 | Method of sintering compacts | Tsuneo Miyashita, Hiroaki Nishio | 1988-01-12 |
| 4715419 | Large-size pneumatic radial tire for use on rough road with belt having specified cord | Kiyohito Kawasaki, Hiroyuki Koseki, Tamotsu Matsunuma | 1987-12-29 |