Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184617 | Portable device | Tsuguhiro Korenaga, Kunio Hibino, Mikihiro Shimada, Yoshihiro Tomita, Yasushi Nakagiri +2 more | 2007-02-27 |
| 6947645 | Optical package substrate and optical device | Tsuguhiro Korenaga, Masaaki Tojo, Toshihiko Wada | 2005-09-20 |
| 6904190 | Optical package substrate, optical device, optical module, and method for molding optical package substrate | Tsuguhiro Korenaga, Masaaki Tojo, Toshihiko Wada | 2005-06-07 |
| 6814901 | Method of manufacturing microlens array and microlens array | — | 2004-11-09 |
| 6542647 | Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same | Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka | 2003-04-01 |
| 6404190 | Optical magnetic field sensor probe | Yukiko Yoshikawa, Satoshi Ishizuka, Hisashi Minemoto, Daisuke Ishiko | 2002-06-11 |
| 6370288 | Optical magnetic field sensor probe | Yukiko Yoshikawa, Satoshi Ishizuka, Hisashi Minemoto, Daisuke Ishiko | 2002-04-09 |
| 6333809 | Magneto-optical element | Yukiko Yoshikawa, Satoshi Ishizuka, Hisashi Minemoto, Daisuke Ishiko | 2001-12-25 |
| 6232763 | Magneto-optical element and optical magnetic field sensor | — | 2001-05-15 |
| 6215576 | Method for making a second-order nonlinear optical material, the material obtained by the method, and an optical modulation device comprising the material | Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka | 2001-04-10 |
| 6160396 | Optical magnetic field sensor probe | Yukiko Yoshikawa, Satoshi Ishizuka, Hisashi Minemoto, Daisuke Ishiko | 2000-12-12 |
| 6037770 | Optical magnetic field sensor probe having drum lenses | Yukiko Yoshikawa, Satoshi Ishizuka, Hisashi Minemoto, Daisuke Ishiko | 2000-03-14 |
| 6008927 | Optical fiber modulator having an optical fiber having a poled portion serving as an electrooptic element and method for making same | Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka | 1999-12-28 |
| 5861741 | Magneto-optical element | — | 1999-01-19 |
| 5835257 | Magneto-optical element and optical magnetic field sensor using the same | Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka | 1998-11-10 |
| 5742157 | Optical fiber magnetic-field sensor | Satoshi Ishizuka, Hisashi Minemoto | 1998-04-21 |
| 5732167 | Optical fiber sensor for measuring a magnetic field or electric current and method for making the same | Daisuke Ishiko, Hisashi Minemoto | 1998-03-24 |
| 5699461 | Optical fiber sensors and method for making the same | Hisashi Minemoto, Yukiko Yoshikawa, Daisuke Ishiko, Satoshi Ishizuka | 1997-12-16 |
| 5691837 | Magneto-optical element and optical magnetic field sensor using the same | Hisashi Minemoto, Daisuke Ishiko, Satoshi Ishizuka | 1997-11-25 |
| 5635830 | Optical magnetic field sensor employing differently sized transmission lines | — | 1997-06-03 |
| 5485079 | Magneto-optical element and optical magnetic field sensor | — | 1996-01-16 |
| 5212446 | Magneto-optical element and magnetic field measurement apparatus | Hirokazu Yamada | 1993-05-18 |