Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613456 | Organic electroluminescent device | Atsushi Oda, Etsuo Hasegawa | 2003-09-02 |
| 6322908 | Organic electroluminescent device | Atsushi Oda, Etsuo Hasegawa | 2001-11-27 |
| 5965287 | Magneto-optical element material and Faraday element using the same | Hirotaka Kawai, Hiromitsu Umezawa | 1999-10-12 |
| 5961041 | Method and apparatus for making carbon dioxide snow | Shoji Sekihara, Saburo Hayakawa, Makoto Toriumi | 1999-10-05 |
| 5717076 | Metal-encapsulated fullerene derivative compound of and method for making the derivative | Kazunori Yamamoto, Hideyuki Funasaka, Takeshi Takahashi, Yusei Maruyama, Tatsuhisa Kato +1 more | 1998-02-10 |
| 5566017 | Material for magneto-optical element and faraday rotator using the same | Hirotaka Kawai, Hiromitsu Umezawa | 1996-10-15 |
| 4923962 | Optical disk substrate comprising aromatic polycarbonate | Kazuyoshi Shigematsu, Shigenori Shirouzu, Shuji Sakamoto | 1990-05-08 |
| 4535547 | Mount for an earth magnetism sensor for use in an automotive vehicle | Norimitsu Kurihara, Takashi Iwanaga, Masaru Hisadomi | 1985-08-20 |