Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7244863 | Process for producing (meth)acrylic acid compound | Shuhei Yada, Yasushi Ogawa, Hirochika Hosaka | 2007-07-17 |
| 7241919 | Storage tank for easily polymerizable compound and method of storage | Shuhei Yada, Yasushi Ogawa, Kimikatsu Jinno, Hirochika Hosaka, Masayasu Goriki | 2007-07-10 |
| 7214816 | Process for producing (meth)acrylic acid and (meth)acrylic esters | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2007-05-08 |
| 7189872 | Process for producing (meth)acrylic acid | Shuhei Yada, Kiyoshi Takahashi, Kenji Takasaki, Yasushi Ogawa, Kimikatsu Jinno | 2007-03-13 |
| 7188639 | Storage tank for easily polymerizable compound and method of storage | Shuhei Yada, Yasushi Ogawa, Kimikatsu Jinno, Hirochika Hosaka, Masayasu Goriki | 2007-03-13 |
| 7166741 | Process for producing (meth) acrylic acid compound | Shuhei Yada, Yasushi Ogawa, Kenji Takasaki | 2007-01-23 |
| 7148373 | Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2006-12-12 |
| 7144557 | Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor | Shuhei Yada, Hirochika Hosaka, Masayasu Goriki, Kimikatsu Jinno, Yasushi Ogawa | 2006-12-05 |
| 7135594 | Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof | Shuhei Yada, Yasushi Ogawa, Kenji Takasaki | 2006-11-14 |
| 7119227 | Process for catalytic vapor phase oxidation | Yasuyuki Sakakura, Shuhei Yada, Kimikatsu Jinno, Hirochika Hosaka | 2006-10-10 |
| 7094921 | Method for storing (meth)acrylic acid or (meth)acrylic esters | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2006-08-22 |
| 7080654 | Method for transporting easily polymerizable liquid by pipeline | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa, Hirochika Hosaka | 2006-07-25 |
| 7067696 | Process for producing (meth)acrolein or (meth)acrylic acid | Yasuyuki Sakakura, Shuhei Yada, Hirochika Hosaka, Yasushi Ogawa | 2006-06-27 |
| 7041850 | Process for producing purified (meth)acrylic acid | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2006-05-09 |
| 7041849 | Method of recovering polymerization inhibitor and method of producing acrylic acid | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 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 | Shuhei Yada, Yasushi Ogawa, Hirochika Hosaka, Mitsuo Nakamura | 2006-05-02 |
| 7015357 | Processes for producing (meth)acrylic acid | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2006-03-21 |
| 6989463 | Method for handling high-viscosity substances | Shuhei Yada, Yasushi Ogawa, Kenji Takasaki | 2006-01-24 |
| 6968872 | Process for recovering liquid chemical products in chemical production facility | Yasuyuki Sakakura, Shuhei Yada, Yasushi Ogawa | 2005-11-29 |
| 6936177 | Method for removing metal from wastewater | Shuhei Yada, Kenji Takasaki, Yasushi Ogawa | 2005-08-30 |
| 6341637 | Tube connecting apparatus | Yoshiyuki Yamada, Hiroaki Sano | 2002-01-29 |
| 6026882 | Tube connecting apparatus | Yoshiyuki Yamada, Hiroaki Sano | 2000-02-22 |
| 6025520 | Method for preparing (meth)acrylic acid ester | Masahiko Yamagishi, Chikara Sugimoto, Norioki Mine | 2000-02-15 |
| 5866713 | Method for preparing (meth)acrylic acid ester | Masahiko Yamagishi, Chikara Sugimoto, Norioki Mine | 1999-02-02 |
| 5408379 | Device for opening a circuit and device for protecting the circuit against surges | Yoshihito Oguchi, Akihiko Ikazaki, Kazuomi Hama, Mitsuo Yaguchi, Yoshito Kasai +1 more | 1995-04-18 |