Issued Patents All Time
Showing 25 most recent of 210 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141985 | Liquid supply unit | Taku Ishizawa, Yoshiaki Shimizu, Noriyuki Fukasawa | 2021-10-12 |
| 11088777 | Polarization division multiplexing intensity modulation system and method using the system | Ruben Soares Luis, Georg Friedrich Rademacher, Ben Puttnam, Naoya Wada | 2021-08-10 |
| 10894418 | Liquid supply unit | Taku Ishizawa, Yoshiaki Shimizu, Noriyuki Fukasawa | 2021-01-19 |
| 10752008 | Liquid supply unit | Yoshiaki Shimizu, Taku Ishizawa, Noriyuki Fukasawa | 2020-08-25 |
| 10543692 | Liquid supply unit | Taku Ishizawa, Yoshiaki Shimizu, Noriyuki Fukasawa | 2020-01-28 |
| 10434786 | Liquid supply unit | Noriyuki Fukasawa, Taku Ishizawa, Yoshiaki Shimizu | 2019-10-08 |
| 9669635 | Attachment and attachment system | Takeo Seino, Takahiro Naka, Hitotoshi Kimura | 2017-06-06 |
| 9061508 | Recording material delivery system for recording material-consuming apparatus; circuit board; structural body; and ink cartridge | Taku Ishizawa, Izumi Nozawa, Yuji Aoki, Hiroyuki Kawate, Takakazu Fukano +2 more | 2015-06-23 |
| 8974043 | Attachment and attachment system | Takeo Seino, Takahiro Naka, Hitotoshi Kimura | 2015-03-10 |
| 8824895 | Radio-on-fiber unit and radio-on-fiber system | Tetsuya Kawanishi, Shinya Nakajima | 2014-09-02 |
| 8693005 | Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers | Tetsuya Kawanishi, Shinya Nakajima | 2014-04-08 |
| 8540347 | Recording material delivery system for recording material-consuming apparatus; circuit board; structural body; and ink cartridge | Taku Ishizawa, Izumi Nozawa, Yuji Aoki, Hiroyuki Kawate, Takakazu Fukano +2 more | 2013-09-24 |
| 8446591 | Method for evaluating characteristics of optical modulator having Mach-Zehnder interferometers | Tetsuya Kawanishi, Shinya Nakajima | 2013-05-21 |
| 8403459 | Attachment and attachment system | Takeo Seino, Takahiro Naka, Hitotoshi Kimura | 2013-03-26 |
| 8366250 | Liquid container, method of filling liquid into liquid container, and remanufacturing method of liquid container | Akihisa Wanibe, Taku Ishizawa, Chiaki Miyajima | 2013-02-05 |
| 8366251 | Liquid container, method of filling liquid into liquid container, and remanufacturing method of liquid container | Akihisa Wanibe, Taku Ishizawa, Chiaki Miyajima | 2013-02-05 |
| 8351047 | Method for evaluating characteristics of optical modulator having high-precision Mach-Zehnder interferometers | Tetsuya Kawanishi, Shinya Nakajima | 2013-01-08 |
| 8291591 | Method of manufacturing liquid container and liquid container | Chiaki Miyajima, Masahide Matsuyama, Yuichi Seki, Hisashi Koike | 2012-10-23 |
| 8235513 | Liquid injecting method and liquid container | Chiaki Miyajima, Masahide Matsuyama, Yuichi Seki, Hisashi Koike, Taku Ishizawa +1 more | 2012-08-07 |
| 8186816 | Liquid container, board, and method of rewriting liquid information | Taku Ishizawa | 2012-05-29 |
| 8182075 | Liquid delivery system and manufacturing method thereof | Taku Ishizawa, Chiaka Miyajima | 2012-05-22 |
| 8177342 | Liquid container and remanufacturing method of liquid container | Akihisa Wanibe, Taku Ishizawa, Chiaki Miyajima | 2012-05-15 |
| 8177341 | Liquid injecting method and liquid container | Chiaki Miyajima, Masahide Matsuyama, Yuichi Seki, Hisashi Koike, Takayoshi Katsumura | 2012-05-15 |
| 8142000 | Liquid container and remanufacturing method of liquid container | Taku Ishizawa, Chiaki Miyajima, Akihisa Wanibe | 2012-03-27 |
| 8141992 | Liquid storage container | Taku Ishizawa | 2012-03-27 |