Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338152 | Boron removal device and boron removal method, and pure water production device and pure water production method | Kazushige Takahashi, Yuki Nakamura, Kenji SHIBASAKI, Keisuke Sasaki | 2025-06-24 |
| 12037276 | Apparatus for removing boron, method for removing boron, apparatus for producing pure water and method for producing pure water | Kazushige Takahashi, Yuki Nakamura, Kenji SHIBASAKI, Keisuke Sasaki | 2024-07-16 |
| 11932555 | Water treatment management apparatus and water quality monitoring method | Nozomi Takatori, Hiroshi Sugawara, Kazushige Takahashi | 2024-03-19 |
| 11860075 | Analyzing method and analyzing apparatus for urea | Kazushige Takahashi, Hiroshi Sugawara, Katsuhisa Shimada | 2024-01-02 |
| 6218861 | Functional block and semiconductor integrated circuit architected by a plurality of functional blocks in combination | Takao Shijo, Hiroki Muroga | 2001-04-17 |
| 5882377 | Process for smelting reduction of chromium ore | Kimiharu Aida, Shuji Takeuchi, Nagayasu Bessho, Tomomichi Terabatake, Yasuo Kishimoto +1 more | 1999-03-16 |
| 5106411 | Method of and apparatus for removing non-metallic inclusions in molten metal | Yuji Miki, Hidenari Kitaoka, Tetsuya Fujii, Shuji Takeuchi, Kenichi Sorimachi +1 more | 1992-04-21 |
| 4655831 | Method of stabilizing a steel making slag | Kunihiko Ishizaka, Akira Seki, Yoshio Aso | 1987-04-07 |
| 4552334 | Flow change-over valve for the blowing of fluids into molten metal vessel | Yoshiro Tomiyama, Masaaki Yamanashi, Hitoshi Morishita, Shuzo Fujii, Hideo Miwa | 1985-11-12 |
| 4543125 | Process of making steel in converter using a great amount of iron-bearing cold material | Tetsuya Fujii, Yoshiei Kato, Sumio Yamada, Kanji Emoto | 1985-09-24 |
| 4473398 | Method for desulfurizing a molten iron by injection | Sumio Yamada, Hitoshi Morishita | 1984-09-25 |
| 4392886 | Method of recovering CO-rich exhaust gas in refining of metal | Mikio Kodaka, Hitoshi Morishita, Hajime Bada | 1983-07-12 |
| 4356032 | Method of dephosphorizing molten pig iron | Hitoshi Morishita, Hajime Bada | 1982-10-26 |
| 4263043 | Desulfurizing agent for injection | Osamu Haida, Toshihiko Emi, Sumio Yamada, Hiraku Sonoda | 1981-04-21 |