Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332070 | Method of preventing heat exchanger fouling | Hiroto Nishida, Kouji Kishinami | 2008-02-19 |
| 6897268 | Fluidized bed polymerization apparatus and an olefin polymerization process | Ryouichi Yamamoto, Satoru Ohtani, Fumio Hattori, Yoshiaki Kikuchi, Hisayoshi Watanabe +1 more | 2005-05-24 |
| 6891002 | Process for producing polyolefin | Shinji Abe, Shotaro Matsuda, Satoru Ohtani, Hiroto Nishida, Michiharu Sakata | 2005-05-10 |
| 6472484 | Processes for producing polyolefin composition | Shinji Abe, Satoru Ohtani, Shotaro Matsuda | 2002-10-29 |
| 6461573 | Fluidized bed polymerization apparatus having temperature distribution monitoring | Ryouichi Yamamoto, Satoru Ohtani, Fumio Hattori, Yoshiaki Kikuchi, Hisayoshi Watanabe +1 more | 2002-10-08 |
| 6013741 | Method of terminating gas phase polymerization of olefin, method of initiating the polymerization and apparatus therefor | Satoru Ohtani, Kenji Doi, Ryouichi Yamamoto | 2000-01-11 |
| 5738249 | Quantitative powder feeder capable of feeding powder by fixed amounts | Yoshiaki Kikuchi, Shotaro Matsuda, Ryoichi Yamamoto | 1998-04-14 |
| 5442121 | Process for producing N,N-disubstituted aminophenol | Shigeki Nagamatsu, Masaaki Yasuda | 1995-08-15 |