Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352959 | Projection optical system and head-up display device and vehicle including projection optical system and head-up display device | Masahiko Yatsu, Koji Hirata | 2025-07-08 |
| 12204101 | Information display apparatus | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko | 2025-01-21 |
| 12055714 | Projection optical system and head-up display device | Masahiko Yatsu, Koji Hirata | 2024-08-06 |
| 11828938 | Information display apparatus | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko | 2023-11-28 |
| 11686937 | Vehicle | Masahiko Yatsu, Koji Hirata | 2023-06-27 |
| 11561395 | Head-up display device | Akio MISAWA, Nozomu Shimoda, Yuji Fujita | 2023-01-24 |
| 11448877 | Projection optical system and head-up display | Masahiko Yatsu, Koji Hirata | 2022-09-20 |
| 11448878 | Head up display | Hidemi Yamada, Toshinori Sugiyama | 2022-09-20 |
| 11221480 | Information display apparatus | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko | 2022-01-11 |
| 11199700 | Head-up display device | Akio MISAWA, Nozomu Shimoda, Yuji Fujita | 2021-12-14 |
| 11169376 | Projection optical system and head-up display device | Masahiko Yatsu, Koji Hirata | 2021-11-09 |
| 10890763 | Information display apparatus | Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Akio MISAWA, Kazuomi Kaneko +4 more | 2021-01-12 |
| 10852539 | Projection optical system, head-up display device, and vehicle | Masahiko Yatsu, Koji Hirata | 2020-12-01 |
| 10814723 | Projection optical system, and head-up display device | Masahiko Yatsu, Koji Hirata | 2020-10-27 |
| 10788665 | Projection optical system and head-up display device | Masahiko Yatsu, Kazuomi Kaneko | 2020-09-29 |
| 8511834 | Projection type display apparatus | Yukihiro Kobayashi, Takeshi Katayama, Hiroyuki Inoue | 2013-08-20 |
| 7906846 | Semiconductor device for implementing signal transmission and/or power supply by means of the induction of a coil | Michinobu Tanioka, Toru Taura | 2011-03-15 |
| 7852101 | Semiconductor device testing apparatus and power supply unit for semiconductor device testing apparatus | Michinobu Tanioka, Toru Taura | 2010-12-14 |
| 7385393 | Magnetic field measuring apparatus capable of measuring at high spatial resolution | Mizuki Iwanami, Masahiro Tsuchiya, Masato Kishi | 2008-06-10 |
| 6844725 | Electric and magnetic field detection device and electric and magnetic field measurement apparatus | — | 2005-01-18 |