Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10760463 | Exhaust treatment device for diesel engine | Kazunari Tsujino | 2020-09-01 |
| 7561799 | Optical path switching device | Morio Kobayashi | 2009-07-14 |
| 7062119 | Optical device | Morio Kobayashi, Minoru Takeda, Masahiro Kanbara | 2006-06-13 |
| 6873448 | Optical path switching apparatus | Morio Kobayashi | 2005-03-29 |
| 6819827 | Optical path switching apparatus | Morio Kobayashi, Junichirou Asano, Tsutomu Takahashi, Yoshinori Oonuma, Masahiro Kanbara | 2004-11-16 |
| 6153321 | Method of using a substrate with magnetic substance of a magnetic scale | Kiyoshi Toyama | 2000-11-28 |
| 6072174 | Magneto-optically modulating system for monitoring relative relationship between an object and a magneto-optic effect element | Morio Kobayashi, Masahiro Kambara | 2000-06-06 |
| 5580639 | Method of manufacturing magnetic patterns | Kiyoshi Toyama | 1996-12-03 |
| 5527663 | Method of manufacturing a medium having a magnetic pattern | Kiyoshi Toyama | 1996-06-18 |
| 5445707 | Method of manufacturing article having magnetic patterns | Kiyoshi Toyama | 1995-08-29 |
| 5434934 | Magneto-optically modulating system | Kiyoshi Toyama, Minoru Takeda, Morio Kobayashi | 1995-07-18 |
| 5429911 | Method of manufacturing a medium having a magnetic pattern | Kiyoshi Toyama | 1995-07-04 |
| 5427675 | Method of manufacturing article having magnetic patterns | Kiyoshi Toyama | 1995-06-27 |
| 5350618 | Magnetic medium comprising a substrate having pits and grooves of specific shapes and depths | Kiyoshi Toyama | 1994-09-27 |
| 5336586 | Magnetic medium and method of manufacturing the same | Kiyoshi Toyama | 1994-08-09 |
| 5281912 | Magneto-optic magnetic-field measuring apparatus for measuring a magnetic field intensity by measuring an angle of diffraction | — | 1994-01-25 |