Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9855530 | Water-proof air-permeable filter and use of the same | Satoru Furuyama, Satoshi Sakuma, Yozo Nagai | 2018-01-02 |
| 9708453 | Method for producing porous polymer film and porous polymer film | Satoru Furuyama, Yozo Nagai, Yosuke Yuri, Takahiro Yuyama, Tomohisa Ishizaka +6 more | 2017-07-18 |
| 9636616 | Water-proof air-permeable filter and use of the same | Satoru Furuyama, Yozo Nagai | 2017-05-02 |
| 9255209 | Air-permeable sheet imparted with oil repellency | Yoshiki Ikeyama | 2016-02-09 |
| 9044706 | Water-proof air-permeable filter and use of the same | Satoru Furuyama, Satoshi Sakuma, Yozo Nagai | 2015-06-02 |
| 9005334 | Water-proof air-permeable filter and use of the same | Satoru Furuyama, Yozo Nagai | 2015-04-14 |
| 8941908 | Porous electrode sheet, method for producing the same, and display device | Yozo Nagai, Satoru Furuyama, Hajime Yamamoto | 2015-01-27 |
| 8228788 | Network connection device and signal processing method in the network connection device | Katsuhiro Shirai | 2012-07-24 |
| 7851058 | Sheet for suction and fixation, and method of producing the same | Hiroyuki Iida | 2010-12-14 |
| 7710846 | Protection member and optical pickup device using the same | Kazuaki Mochida, Sunao Inoue | 2010-05-04 |
| 7302177 | Optical transmission system including a plurality of optical transmission devices | — | 2007-11-27 |
| 7277153 | Elastic pressure sheet and process of manufacturing liquid crystal display plate | Hiroyuki Iida | 2007-10-02 |
| 6895182 | Optical ring transmission system using squelch method | Tsutomu Chikazawa, Yoshihisa Ikeda, Takanori Yasui, Atsuki Taniguchi, Masahiro Shioda | 2005-05-17 |
| 6879558 | Switching method for bidirectional line switched ring and node apparatus used in the ring | Takashi Honda, Hiroshi Kanzawa | 2005-04-12 |
| 6785224 | Ring configuring method and node apparatus used in the ring | Kumiko Uematsu, Hiroshi Kanzawa, Takashi Honda, Kazunari Shiota, Hidetoshi Kawamura +3 more | 2004-08-31 |
| 6540446 | Cylindrical cutting blade and cutter head assembly which carries the cutting blade | Tsunesuke Iizuka, Ryunosuke Tsunenoki | 2003-04-01 |
| 6152374 | Method for renting fabric articles and data code-printed sheet | Toshimitsu Tachibana, Katsuya Kume, Hidetoshi Itou | 2000-11-28 |
| 6041066 | Method of synchronization status message processing in transmission apparatus | Seiji Meki, Shunji Yamada | 2000-03-21 |
| 5978354 | Optical transmission system and transmission line switching control method | Hisashi Taketomi, Hatsumi Iino, Fumihiro Ikawa, Kanji Naito | 1999-11-02 |
| 5757276 | Communication port control system | — | 1998-05-26 |
| 5457555 | Optical transmission system | — | 1995-10-10 |
| 5163041 | Signal branching method applied to a protection switching equipment provided in a drop-insert station of a transmission system | — | 1992-11-10 |
| 5042067 | Password security method | — | 1991-08-20 |
| 4989130 | System for determining and storing valid status information received from cross coupled unit | Masaaki Iwasaki | 1991-01-29 |