Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308301 | Structure and bonded body | Yumi Fukuda, Koichi Harada, Kenji Essaki, Yasushi Hattori, Keiko Albessard +1 more | 2025-05-20 |
| 11729907 | Structure and circuit board | Koichi Harada, Kenji Essaki, Yasushi Hattori, Maki Yonetsu | 2023-08-15 |
| 11355416 | Structure and joined composite | Yumi Fukuda, Koichi Harada, Yasushi Hattori, Maki Yonetsu, Kenji Essaki +1 more | 2022-06-07 |
| 10326129 | Active material, electrode, nonaqueous electrolyte secondary battery, battery pack and production method of active material | Takayuki Fukasawa, Kenji Essaki, Tomokazu Morita, Takashi Kuboki | 2019-06-18 |
| 10064189 | Wireless communication system and wireless communication device | — | 2018-08-28 |
| 9975099 | Fuel synthesis catalyst and fuel synthesis system | Takayuki Fukasawa, Kenji Essaki, Shinsuke Matsuno, Takashi Kuboki, Seiichi Suenaga | 2018-05-22 |
| 9859553 | Negative electrode active material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, and battery pack | Tomokazu Morita, Takashi Kuboki, Takayuki Fukasawa, Yasuyuki Hotta, Toshiro Hiraoka | 2018-01-02 |
| 9859552 | Electrode material for nonaqueous electrolyte secondary battery, electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery | Takayuki Fukasawa, Kenji Essaki, Tomokazu Morita, Takashi Kuboki, Mitsuhiro Oki | 2018-01-02 |
| 9413729 | Symmetric encryption apparatus and storage medium, and symmetric decryption apparatus and storage medium | Yuichi Komano, Koichiro Akiyama | 2016-08-09 |
| 9102502 | Double-deck elevator | Atsushi Yamada | 2015-08-11 |
| 8832438 | Digital signature generation apparatus, digital signature verification apparatus, and key generation apparatus | Koichiro Akiyama | 2014-09-09 |
| 8815447 | Proton-conductive inorganic material for fuel cell and fuel cell anode employing the same | Jun Tamura, Yoshihiko Nakano | 2014-08-26 |
| 8580462 | Electrode catalyst material comprising carbon nano-fibers having catalyst particles on the surface and in the insides of the interior area and a fuel cell having the electrode catalyst material | Seiichi Suenaga, Maki Yonetsu, Norihiro Tomimatsu, Hideyuki Oozu, Yoshihiko Nakano +1 more | 2013-11-12 |
| 8458471 | Digital signature generation apparatus, digital signature verification apparatus, and key generation apparatus | Koichiro Akiyama | 2013-06-04 |
| 8311215 | Encryption apparatus, decryption apparatus, key generation apparatus, and storage medium | Koichiro Akiyama | 2012-11-13 |
| 8046582 | Digital signature generation apparatus, digital signature verification apparatus, and key generation apparatus | Koichiro Akiyama | 2011-10-25 |
| 7838165 | Carbon fiber synthesizing catalyst and method of making thereof | Seiichi Suenaga, Maki Yonetsu, Norihiro Tomimatsu, Hideyuki Oozu, Yoshihiko Nakano +1 more | 2010-11-23 |
| 7836304 | Digital signature generation apparatus, digital signature verification apparatus, and key generation apparatus | Koichiro Akiyama | 2010-11-16 |
| 7787623 | Key generating apparatus, program, and method | Koichiro Akiyama | 2010-08-31 |
| 7773747 | Encryption apparatus, decryption apparatus, and method | Koichiro Akiyama | 2010-08-10 |
| 7688973 | Encryption apparatus, decryption apparatus, key generation apparatus, program, and method | Koichiro Akiyama | 2010-03-30 |
| 7591643 | Mold with ejector pin cooling | Toru Hirano | 2009-09-22 |
| 7544434 | Direct liquid fuel cell power generating device and method of controlling the same | Takashi Yamauchi, Masahiro Takashita, Yoshihiko Nakano | 2009-06-09 |
| 7435274 | Metal particle-dispersed composite oxides, metal particle-dispersed composite oxide-sintered bodies, method of manufacturing metal particle-dispersed composite oxides, and hydrocarbon-based fuel reformer | Seiichi Suenaga, Tomohiro Suetsuna, Takayuki Fukasawa, Koichi Harada | 2008-10-14 |
| 7321715 | Picture data reproducing apparatus and method | Kenji Yamasaki, Fumiyoshi Abe | 2008-01-22 |