Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11631357 | Display device for musical instrument and display switching method of display device for musical instrument | Takaaki Makino, Koichi Matsuno, Haruo Okuyama, Yosuke Harada, Akihiro Nagayama | 2023-04-18 |
| 10213319 | Navigation device for joint replacement and surgical support device | Toshitaka Wakayama, Yukari Kito, Norio Seitoku, Toru Yoshizawa | 2019-02-26 |
| 7893764 | Power amplifier and common mode choke coil apparatus | Toshiro Mayuzumi | 2011-02-22 |
| 7425378 | Magnetic recording medium | Katsuhiko Yamazaki, Tsutomu Ide, Akinori Nishizawa | 2008-09-16 |
| 5618637 | Magnetic recording medium | Kiminori Tamai | 1997-04-08 |
| 5514465 | Magnetic recording medium comprising a magnetic layer containing magnetic powder, an organic dye and a binder having an amino group or ammonium salt group | Kiminori Tamai | 1996-05-07 |
| 5506064 | Magnetic recording medium | Kiminori Tamai | 1996-04-09 |
| 4543273 | Carbon monoxide sensing element and method of making same | Yoshiaki Okayama | 1985-09-24 |
| 4251225 | Method of detecting carbon monoxide | Koichi Endo | 1981-02-17 |