Issued Patents All Time
Showing 126–150 of 172 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596129 | Distillation process for easily polymerizable substance-containing solution | Yukihiro Yoneda, Yasuhiro Shingai, Hajime Matsumoto | 2003-07-22 |
| 6593847 | Planar acoustic converting apparatus | Toshiiku Miyazaki, Masashi Hori, Kenji Iizuka, Masayuki Ishiwa | 2003-07-15 |
| 6585862 | Apparatus and method for handling easily polymerizable compound | Yukihiro Matsumoto | 2003-07-01 |
| 6581637 | Tank and a method for storing an easily polymerizable compound | Kei Hamamoto, Kazuhiko Sakamoto, Osamu Dodo | 2003-06-24 |
| 6579829 | Developer composition and heat sensitive recording material | Masaru Wada, Masayuki Furuya, Junya Tanaka | 2003-06-17 |
| 6568415 | Storing device for easily polymerizable and coagulating liquid substance and method for pressure control thereof | Kenji Nakahara, Kazuhiko Sakamoto, Hiroo Iwato, Masakatsu Mori | 2003-05-27 |
| 6566551 | Method for preventing effluent gas pipe from blocking | Yukihiro Matsumoto, Sei Nakahara, Misao Inada, Harunori Hirao, Mamoru Takamura | 2003-05-20 |
| 6556357 | Zoom lens | Yoshinori Itoh | 2003-04-29 |
| 6525216 | Method of manufacturing (meth)acrylic acid | Yukihiro Matsumoto | 2003-02-25 |
| 6482029 | Card connector | — | 2002-11-19 |
| 6476162 | Method for preventing easily polymerizing substance from polymerization and method for production of (meth) acrylic acid or ester thereof | Kazuhiko Sakamoto, Kenji Sanada, Masakatsu Mori | 2002-11-05 |
| 6469202 | Method for disposal of solid catalyst | Sei Nakahara, Masahiro Motofuji, Masatoshi Ueoka | 2002-10-22 |
| 6454541 | Method for transferring easily-polymerizable substance | Yuichi Ijiri, Kazuhiko Sakamoto, Hiroo Iwato, Takashi Sera | 2002-09-24 |
| 6436245 | Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof | Yukihiro Matsumoto | 2002-08-20 |
| 6436756 | Semiconductor device and fabrication method thereof | Naotaka Iwata | 2002-08-20 |
| 6431261 | Shell and tube type heat exchanger | Yukihiro Matsumoto, Daisuke Nakamura, Masakatsu Mori, Osamu Dodo | 2002-08-13 |
| 6409886 | Process for inhibiting the polymerization of easily-polymerizable compounds | Yukihiro Matsumoto | 2002-06-25 |
| 6407287 | Method for production of acrylic acid | Yukihiro Matsumoto, Kazuhiko Sakamoto, Hidefumi Haramaki | 2002-06-18 |
| 6398567 | Lock and lock releasing mechanism in IC card connecting mechanism | — | 2002-06-04 |
| 6388530 | Microwave amplifier implemented by heterojunction field effect transistors | Naotaka Iwata | 2002-05-14 |
| 6382313 | Heat exchanger for easily polymerizing substance-containing gas provided with gas distributing plate | Tetsuji Mitsumoto, Kazuhiko Sakamoto, Hiroo Iwato | 2002-05-07 |
| 6384986 | Zoom lens and optical apparatus having the same | — | 2002-05-07 |
| 6372944 | Liquid withdrawing tray for purification column, purification column, and method for purification | Hajime Matsumoto, Yukihiro Matsumoto, Sei Nakahara, Misao Inada | 2002-04-16 |
| 6215600 | Zoom lens | Yoshinori Itoh | 2001-04-10 |
| 6144051 | Semiconductor device having a metal-insulator-metal capacitor | Naotaka Iwata | 2000-11-07 |