Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325302 | Light source apparatus, and information display system and head-up display apparatus using the same | Koji Hirata, Toshinori Sugiyama, Koji Fujita, Kouichi Kajiwara | 2025-06-10 |
| 12286012 | Information display system and vehicle information display system using the same | Koji Hirata, Koji Fujita, Toshinori Sugiyama | 2025-04-29 |
| 12038644 | Light source apparatus and information display system using the same | Koji Hirata, Toshinori Sugiyama, Koji Fujita | 2024-07-16 |
| 12038580 | In-vehicle information display system and information display apparatus | Koji Hirata, Koji Fujita, Toshinori Sugiyama | 2024-07-16 |
| 11880125 | Information display system having acute-angled diffusion characteristics and image light control film used for the same | Koji Hirata, Toshinori Sugiyama, Koji Fujita | 2024-01-23 |
| 11878586 | Information display apparatus and spatial sensing apparatus | Koji Hirata, Koji Fujita | 2024-01-23 |
| 11685152 | Print head and liquid ejecting apparatus | Masanori Koizumi, Shunya Komatsu, Shuichi Nakano, Masashi Kamiyanagi, Toru Matsuyama | 2023-06-27 |
| 11586040 | In-vehicle information display system and information display apparatus | Koji Hirata, Koji Fujita, Toshinori Sugiyama | 2023-02-21 |
| 11577505 | Print head drive circuit and liquid ejecting apparatus | Masanori Koizumi, Shunya Komatsu, Shuichi Nakano, Masashi Kamiyanagi, Toru Matsuyama | 2023-02-14 |
| 11383523 | Print head drive circuit and liquid ejecting apparatus | Masanori Koizumi, Shunya Komatsu, Shuichi Nakano, Masashi Kamiyanagi, Toru Matsuyama | 2022-07-12 |
| 11207886 | Print head and liquid ejecting apparatus | Masanori Koizumi, Shunya Komatsu, Shuichi Nakano, Masashi Kamiyanagi, Toru Matsuyama | 2021-12-28 |
| 8285882 | Output apparatus, information processing apparatus, and network system | — | 2012-10-09 |
| 6903830 | Electronic printing apparatus with power saving mode and control method therefor | Kiyoji Hane | 2005-06-07 |
| 6455880 | Microwave semiconductor device having coplanar waveguide and micro-strip line | Naoko Ono, Yuji Iseki, Keiichi Yamaguchi, Junko Onomura | 2002-09-24 |
| 5898909 | Ultra high frequency radio communication apparatus | Kunio Yoshihara, Kouhei Morizuka, Mitsuo Konno, Yasuo Ashizawa, Junko Akagi +6 more | 1999-04-27 |
| 5870533 | Data receiving system | — | 1999-02-09 |
| 5764119 | Wiring board for high-frequency signals and semiconductor module for high-frequency signals using the wiring board | Takeshi Miyagi, Yuji Iseki, Yasushi Shizuki, Kunio Yoshihara, Masayuki Saito +2 more | 1998-06-09 |
| 5745663 | Data receiving system | — | 1998-04-28 |
| 5631809 | Semiconductor device for ultrahigh frequency band and semiconductor apparatus including the semiconductor device | Yuji Iseki, Naoko Ono | 1997-05-20 |
| 5493342 | White balance correction circuit | Yasushi Naito, Toshimitsu Watanabe, Takeshi Mochizuki | 1996-02-20 |
| D342330 | Free access floor panel | Tokuzo Kobayashi | 1993-12-14 |
| 4994915 | Aperture correction circuit | Satoshi Takahashi, Yukinari Ueki, Hideaki Ohki, Koji Kamogawa | 1991-02-19 |