Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977313 | Production process of 2,7-dibromofluorenone | Youko Sugio, Naoyuki Kitamura, Tetsuo Hachiya | 2005-12-20 |
| 6858764 | Method for preparing bromofluorenes | Tetsuo Hachiya, Naoyuki Kitamura, Toshiyuki Yasuda | 2005-02-22 |
| 6818121 | Production process of indene | Youko Sugio | 2004-11-16 |
| 6803489 | Purification process of fluorenylidenediallylphenol | Shigeki Inatomi | 2004-10-12 |
| 6484398 | Heat exchanger tube manufacturing method | Hirofumi Okamoto | 2002-11-26 |
| 6344585 | Preparation process of fluorenes | — | 2002-02-05 |
| 5865881 | Electroless plating bath of iridium | Shoji Maezawa, Keisuke Oguro, Eiichi Torikai | 1999-02-02 |
| 5857092 | Interface apparatus for SDH/SONET interconnection | Yoshinori Nakamura, Tatsuya Oku, Miki Hagino, Nobuo Iguchi, Yuuki Tsuji | 1999-01-05 |
| 5749410 | Process for casting pipe with transversal hole, and casting die for the same | Seiji Uda, Mitsuhiro Karaki, Shinichi Yoshida, Hidehiko Kadono, Atsushi Ota | 1998-05-12 |
| 5711364 | Method of and apparatus for casting pipe | Atsushi Ota, Masatada Nakamichi, Hidehiko Kadono, Seizi Uda, Shinichi Yoshida | 1998-01-27 |
| 5557437 | Optical terminal system having self-monitoring function | Toshiharu Sakai, Yoshinori Nakamura, Takashi Umegaki, Nobuo Iguchi, Miki Hagino +4 more | 1996-09-17 |
| 5510594 | Method of manufacturing thick-film circuit component | Masao Yonezawa | 1996-04-23 |
| 5434857 | Circuit for confirming a connection route of address control memory | — | 1995-07-18 |
| 5092959 | Organic solvent spray dryer device | Takeshi Orii, Yukio Suzuki, Tamotsu Konishi, Naoki Kumagai | 1992-03-03 |
| 4971748 | Method for producing a three-dimensionally shaped aromatic imide polymer sheet article | Takahiko Sado | 1990-11-20 |
| 4968924 | Driving apparatus for running unit of robot | Kazuhiko Onoue | 1990-11-06 |
| 4828395 | Continuous flow type homogenizer | Tatsuhiko Saito, Hikaru Takabatake, Masahiro Ida, Takeshi Orii | 1989-05-09 |
| 4788098 | Aromatic polyimide laminate sheet | Takahiko Sado | 1988-11-29 |
| 4659960 | Electrode structure for a spark plug | Akihiro Toya, Junichi Kagawa, Kazunori Yokota | 1987-04-21 |
| 4252174 | Method and apparatus for monitoring the operation of a reciprocating liquid injection unit | Isao Miki, Takeshi Kishihara, Tsutomu Nagi | 1981-02-24 |