Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365185 | Inkjet recording device and cartridge | Mamoru Idaka | 2025-07-22 |
| 11970007 | Inkjet recording device and cartridge | Mamoru Idaka | 2024-04-30 |
| D995625 | Cartridge for continuous inkjet printer | Mamoru Idaka | 2023-08-15 |
| 11607887 | Inkjet recording device and cartridge | Mamoru Idaka | 2023-03-21 |
| 8558435 | Package structure of a piezoelectric device mounting and supporting a piezoelectric vibration element | Kazuo Murata, Kazuhiro Toriumi, Toshiya Kubo, Takashi Maruyama, Tomoyuki Nakazawa +9 more | 2013-10-15 |
| 7927096 | Substrate support structure, heat treatment apparatus using same, first sheet-like object for use in the substrate support structure, method of manufacturing the substrate support structure, heat treatment apparatus, and substrate sucking method | Yasuhiro Fukumoto, Masao Tsuji, Hideyuki Taniguchi | 2011-04-19 |
| 7639096 | Oscillator device and method for manufacturing the device | Tomoo Ikeda, Isao Arai | 2009-12-29 |
| 7506626 | Device and method for amplifying suction noise | Akira Sasaki, Hiroyuki Abe, Shunsuke Ebata, Hiromichi Akamatsu | 2009-03-24 |
| 6272225 | Key recovery condition encryption and decryption apparatuses | Kazue Sako, Masashi Yamazaki, Seiichi Domyo, Hiroyoshi Tsuchiya, Seiko Kanno +4 more | 2001-08-07 |
| 6266421 | Key recovery system and key recovery method | Seiichi Domyo, Hiroyoshi Tsuchiya, Seiko Kanno, Hiroyuki Ando, Ichirou Morita +4 more | 2001-07-24 |
| 6185308 | Key recovery system | Hiroyuki Ando, Ichirou Morita, Yasutsugu Kuroda, Naoya Torii, Masashi Yamazaki +4 more | 2001-02-06 |
| 6169803 | Encryption key processing system to be incorporated into data recovery system or key setting system for generating encryption key | Kazue Sako | 2001-01-02 |
| 6011634 | Portable facsimile equipment | Masayoshi Aihara, Toshiyuki Yokochi, Akira Nakano, Masaru Yamamura, Yasuaki Hashimoto +1 more | 2000-01-04 |
| 5689567 | Electronic signature method and apparatus | — | 1997-11-18 |
| 5661805 | Signature verification apparatus capable of obtaining information required for a document recipient by using an apparatus's verification key alone | — | 1997-08-26 |