Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9855531 | Polymer membrane for water treatment and method for manufacture of same, and water treatment method | Toshihiro Tamai, Naotaka Oyabu, Saki Tanimura, Takashi Osugi | 2018-01-02 |
| 9193815 | Polymer membrane for water treatment and method for manufacture of same | Toshihiro Tamai, Yuki Goto, Takashi Osugi, Naotaka Oyabu | 2015-11-24 |
| 8617445 | Process for producing oriented thermoplastic polyester resin sheet, and laminate-molded body | Shigeru Ogasawara, Hirotsugu Yoshida, Hisashi Eguchi | 2013-12-31 |
| 8181795 | Polymer membrane for water treatment | Toshihiro Tamai, Saki Tanimura, Naotaka Oyabu, Takashi Osugi, Yuki Goto +1 more | 2012-05-22 |
| 6605343 | Composite material and synthetic sleeper using the composite material | Koji Motoi, Takeshi Muranaka, Takumi Murata | 2003-08-12 |
| 5856216 | Method of manufacturing a semiconductor integrated circuit device including an SRAM | — | 1999-01-05 |
| 5781468 | Semiconductor memory device comprising two kinds of memory cells operating in different access speeds and methods of operating and manufacturing the same | Tomohisa Wada, Kazutoshi Hirayama, Shigeki Ohbayashi | 1998-07-14 |
| 5757696 | Fast accessible non-volatile semiconductor memory device | Makoto Yamamoto | 1998-05-26 |
| 5744838 | Semiconductor device having internal circuit other than initial input stage circuit | Kenji Anami | 1998-04-28 |
| 5726950 | Synchronous semiconductor memory device performing input/output of data in a cycle shorter than an external clock signal cycle | Yasuyuki Okamoto | 1998-03-10 |
| 5663905 | Semiconductor memory device comprising two kinds of memory cells operating in different access speeds and methods of operating and manufacturing the same | Tomohisa Wada, Kazutoshi Hirayama, Shigeki Ohbayashi | 1997-09-02 |
| 5659515 | Semiconductor memory device capable of refresh operation in burst mode | Tomohisa Wada | 1997-08-19 |
| 5646885 | Fast accessible non-volatile semiconductor memory device | Makoto Yamamoto | 1997-07-08 |
| 5598020 | Semiconductor integrated circuit device and method of manufacturing the same | — | 1997-01-28 |
| 5343432 | Semiconductor memory device having equalization terminated in direct response to a change in word line signal | Ryuichi Kosugi, Nobuhiro Tsuda, Osamu Ishizaki | 1994-08-30 |
| 4729063 | Plastic molded semiconductor integrated circuit device with nail section | Masahide Kaneko, Hirokazu Harima | 1988-03-01 |