Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291122 | Charging assistance system, method, and computer program | Hiroshi Maeda, Tomoyuki KITADA, Nana Aitani, Shinichi Okano | 2025-05-06 |
| 11125925 | Optical element | Shojiro Kawakami, Takayuki Kawashima, Takafumi Chiba, Toshikazu Ijiro, Hiroshi Takahashi | 2021-09-21 |
| 9316142 | Spark ignition engine | Hiroshi Inoue, Masaharu Ohno, Yutaka Teruumi | 2016-04-19 |
| 9224585 | Dose-rate measuring system | Kenichi Moteki | 2015-12-29 |
| 8773122 | Hall element control circuit | Takeshi Kura, Tomonori Kamiya, Hiroki Nagai | 2014-07-08 |
| 8503836 | Wavelength domain optical switch | Hiroshi Ishikawa, Toshifumi Hasama, Hitoshi Kawashima, Kenji Kintaka, Masahiko Mori +2 more | 2013-08-06 |
| 8498581 | Communication test device and communication test method | Yuichi Negami, Akihide Egawa, Tsuyoshi Sato, Takuma Goto | 2013-07-30 |
| 8396429 | Communication test device and communication test method | Yuichi Negami, Akihide Egawa, Tsuyoshi Sato, Takuma Goto | 2013-03-12 |
| 8307812 | Vaporized-fuel processing device for an engine | Hiroshi Inoue, Yutaka Teruumi, Noriaki Kobayashi, Seiji Izuhara | 2012-11-13 |
| 8311486 | Communication test device and communication test method | Yuichi Negami, Akihide Egawa, Tsuyoshi Sato, Takuma Goto | 2012-11-13 |
| 8229258 | Optical waveguide-type wavelength domain switch | Hiroshi Ishikawa, Toshifumi Hasama, Hitoshi Kawashima, Kenji Kintaka, Masahiko Mori +2 more | 2012-07-24 |
| 8190014 | Focus control circuit for adjusting the focus by moving a lens | Takeshi Kura | 2012-05-29 |
| 7860358 | Multimode interference waveguide type optical switch | Mitsuhiro Yasumoto | 2010-12-28 |
| 7756376 | Optical functional waveguide, optical modulator, arrayed waveguide grating, and dispersion compensation circuit | — | 2010-07-13 |
| 7653480 | Traffic information providing system | Masakuni Tsuge, Koichi Washimi, Hirofumi Ohta | 2010-01-26 |
| 7523726 | Air-cooled V-shaped engine | Eishin Nakashima, Kiyonobu Iida, Akiyoshi Morikawa, Noriaki Kobayashi, Masaharu Ohno +5 more | 2009-04-28 |
| 7496256 | Diffraction grating and dispersion compensation circuit | Hiroshi Ishikawa, Hisato Uetsuka | 2009-02-24 |
| 7289802 | Communication terminal performance measurement system having effective trace information display function and communication terminal performance measurement method | Shoichi Nakamura, Tsuyoshi Sato, Tsutomu Tokuke, Hiroki Shiina, Takashi Sakamoto +1 more | 2007-10-30 |
| 7269305 | Optical switch | Toshiharu Saiki | 2007-09-11 |
| 7047353 | Optical disc player with sleep mode | Takayuki Suzuki, Tomonori Kamiya | 2006-05-16 |
| 7024513 | Controller and data processing system | Kaneo Watanabe, Masayuki Ishibashi | 2006-04-04 |
| 6799242 | Optical disc player with sleep mode | Takayuki Suzuki, Tomonori Kamiya | 2004-09-28 |
| 6757609 | Vehicle navigation server for obtaining traffic information for mesh unit on travel route | Masakuni Tsuge, Toshihide Yofu, Kouichi Washimi | 2004-06-29 |
| 6745349 | CD-ROM decoder and method for temporarily storing and retrieving digital data | Takayuki Suzuki, Masayuki Ishibashi | 2004-06-01 |
| 6697915 | CD-ROM decoder | Takayuki Suzuki, Masayuki Ishibashi | 2004-02-24 |