Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755218 | Stationary lead battery performance improvement method | — | 2017-09-05 |
| 9251919 | Pressurized water reactor | Chikako Iwaki, Tatsumi Ikeda, Tetsuzo Yamamoto, Masanobu Watanabe, Satoru Abe +3 more | 2016-02-02 |
| 5998553 | Highly water-absorptive polymer and process for producing the same | Seiichiro Iida, Sueichi Kato | 1999-12-07 |
| 5973042 | Highly water-absorptive polymers having enhanced gel strength | Kenji Yoshinaga, Shozo Kitagawa, Toshiko Nakamura, Miho Tanaka | 1999-10-26 |
| 5548047 | Process for the production of highly water absorptive polymers | Shuhei Yada, Miho Oomori, Toshiko Nakamura | 1996-08-20 |
| 5439993 | Process for the production of highly water absorptive polymers | Shinji Tsunoi, Tetsuya Yamamoto | 1995-08-08 |
| 5411345 | Felt-tipped pen type adhesive applier | Kenji Ueji, Masakazu Komemushi | 1995-05-02 |
| 5318835 | Pressure-sensitive adhesive tape | Akira Sawamoto, Masakazu Komemushi | 1994-06-07 |
| 4755560 | Process for producing highly water-absorbing polymer | Takeshi Shibano | 1988-07-05 |
| 4625059 | Process for purification of 1,2-unsaturated carboxylic acids and/or esters thereof | Takeshi Shibano, Yasuyuki Sakakura, Kazuhiko Higuchi | 1986-11-25 |