Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9820177 | Portable information terminal, communication system, communication control method, and program | — | 2017-11-14 |
| 8782141 | Communication system, device and program for exchanging messages between members of cyber communities | Yohei Umezawa | 2014-07-15 |
| 6607112 | Wire bonding apparatus | — | 2003-08-19 |
| 6377522 | Optical disc apparatus and kand/groove detecting circuit | — | 2002-04-23 |
| 6124845 | Coordinate input device | Hideki Suzuki | 2000-09-26 |
| 5673066 | Coordinate input device | Hideki Suzuki | 1997-09-30 |
| 5448570 | System for mutual synchronization and monitoring between base stations | Tetsuya Yuda | 1995-09-05 |
| 4942489 | Thin-film magnetic head | Ko Yoneda, Tooru Matsuda, Kenji Makino, Kenji Nagata | 1990-07-17 |
| 4649449 | Perpendicular magnetic head | Takeshi Sawada, Hirokazu Goto | 1987-03-10 |