Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7067695 | Method of vapor phase catalytic oxidation using multitubular reactor | Hirochika Hosaka, Kimikatsu Jinno | 2006-06-27 |
| 7067696 | Process for producing (meth)acrolein or (meth)acrylic acid | Yasuyuki Sakakura, Hirochika Hosaka, Yasushi Ogawa, Yoshiro Suzuki | 2006-06-27 |
| 7041850 | Process for producing purified (meth)acrylic acid | Kenji Takasaki, Yasushi Ogawa, Yoshiro Suzuki | 2006-05-09 |
| 7041849 | Method of recovering polymerization inhibitor and method of producing acrylic acid | Kenji Takasaki, Yasushi Ogawa, Yoshiro Suzuki | 2006-05-09 |
| 7037411 | Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substance | Yasushi Ogawa, Hirochika Hosaka, Yoshiro Suzuki, Mitsuo Nakamura | 2006-05-02 |
| 7015357 | Processes for producing (meth)acrylic acid | Kenji Takasaki, Yasushi Ogawa, Yoshiro Suzuki | 2006-03-21 |
| 6998505 | Process for producing (meth)acrylic acid compound | Hirochika Hosaka, Kimikatsu Jinno | 2006-02-14 |
| 6989463 | Method for handling high-viscosity substances | Yasushi Ogawa, Kenji Takasaki, Yoshiro Suzuki | 2006-01-24 |
| 6968872 | Process for recovering liquid chemical products in chemical production facility | Yasuyuki Sakakura, Yasushi Ogawa, Yoshiro Suzuki | 2005-11-29 |
| 6936177 | Method for removing metal from wastewater | Kenji Takasaki, Yasushi Ogawa, Yoshiro Suzuki | 2005-08-30 |
| 6910511 | Method of supplying ambient gas | Masayasu Goriki | 2005-06-28 |
| 6448438 | Method for purifying acrylic acid | Masahiko Yamagishi, Kouji Kasamatsu, Yasuyuki Sakakura, Kiyoshi Takahashi | 2002-09-10 |
| 5798407 | Hydrophilic resin composition and process for producing the same | Kazunori Yano, Hiroyoshi Kaito, Akeharu Wakayama | 1998-08-25 |
| 5548047 | Process for the production of highly water absorptive polymers | Kiichi Ito, Miho Oomori, Toshiko Nakamura | 1996-08-20 |
| 5202400 | Process for the production of highly water absorptive polymers | Kiichi Itoh, Kenji Yoshinaga | 1993-04-13 |
| 5059664 | Process for the preparation of water absorptive resin | Takeshi Shibano, Kiichi Itoh, Kenji Yoshinaga | 1991-10-22 |
| 4957984 | Process for producing highly water absorptive polymer | Kiichi Itoh, Takeshi Shibano, Shinji Tsunoi | 1990-09-18 |
| 4762889 | Water absorptive resin compositions and process for producing the same | Takeo Shimada, Noriyuki Okada, Takashi Fujimoto | 1988-08-09 |