Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782768 | Method of displaying ultrasonic image and apparatus for ultrasonic diagnosis | Hiroshi Hashimoto, Yasuhito Takeuchi | 1998-07-21 |
| 5585914 | Apparatus and method for measuring a temperature of a high temperature liquid contained in a furnace | Mitsuo Yamasaki, Ichiro Kikuchi, Masaki Komatani, Genji Kanatani, Masao Hiroko +14 more | 1996-12-17 |
| 5074530 | Apparatus for smelting reduction of iron ore | Katsuhiro Iwasaki, Kenji Takahashi, Haruyoshi Tanabe, Masahiro Kawakami, Osamu Terada | 1991-12-24 |
| 5065985 | Method for smelting reduction of iron ore and apparatus therefor | Kenji Takahashi, Katsuhiro Iwasaki, Haruyoshi Tanabe, Masahiro Kawakami, Kenzo Yamada +1 more | 1991-11-19 |
| 5047081 | Method of decarburizing high chromium molten metal | Haruyoshi Tanabe, Masahiro Kawakami, Kenji Takahashi, Katsuhiro Iwasaki | 1991-09-10 |
| 5000784 | Method for smelting reduction of iron ore | Kenji Takahashi, Katsuhiro Iwasaki, Haruyoshi Tanabe, Masahiro Kawakami, Kenzo Yamada +1 more | 1991-03-19 |
| 4995906 | Method for smelting reduction of iron ore | Katsuhiro Iwasaki, Kenji Takahashi, Haruyoshi Tanabe, Masahiro Kawakami, Osamu Terada | 1991-02-26 |
| 4988079 | Apparatus for smelting and reducing iron ores | Kenji Takahashi, Katsuhiro Iwasaki, Haruyoshi Tanabe, Masahiro Kawakami, Kenzo Yamada +1 more | 1991-01-29 |
| 4961784 | Method of smelting reduction of chromium raw materials and a smelting reduction furnace thereof | Haruyoshi Tanabe, Masahiro Kawakami, Kenji Takahashi, Katsuhiro Iwasaki | 1990-10-09 |
| 4944799 | Method of producing stainless molten steel by smelting reduction | Haruyoshi Tanabe, Masahiro Kawakami, Kenji Takahashi, Katsuhiro Iwasaki | 1990-07-31 |
| 4936908 | Method for smelting and reducing iron ores | Kenji Takahashi, Katsuhiro Iwasaki, Haruyoshi Tanabe, Masahiro Kawakami, Kenzo Yamada +1 more | 1990-06-26 |
| 4935054 | Method of charging chromium ores in a smelting reduction | Haruyoshi Tanabe, Masahiro Kawakami, Kenji Takahashi, Katsuhiro Iwasaki, Hitoshi Kawata | 1990-06-19 |
| 4504679 | Process for synthesizing urea | Hiroshi Ono, Akito Fukui, Hidetsugu Fujii, Haruyuki Morikawa, Suguru Watanabe | 1985-03-12 |
| 4365089 | Synthesis of urea | Hiroshi Ono, Hidetsugu Fujii | 1982-12-21 |
| 4354040 | Process for synthesizing urea | Hiroshi Ono, Hidetsugu Fujii | 1982-10-12 |
| 4334096 | Process for synthesizing urea | Keizo Konoki, Michio Nobue, Akito Fukui | 1982-06-08 |
| 4311856 | Process for synthesizing urea | Hiroshi Ono, Akito Fukui, Haruyuki Morikawa | 1982-01-19 |
| 4301299 | Synthesis of urea | Hiroshi Ono | 1981-11-17 |
| 4231961 | Process for preparation of urea | Keizo Konoki, Michio Nobue, Akito Fukui | 1980-11-04 |
| 4207256 | Treatment of water vapor generated in concentrating an aqueous urea solution | Tadao Shirasu, Hisashi Miyagawa | 1980-06-10 |