Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8578788 | Device and method for continuously measuring horizontal flux of dustfall in atmosphere | — | 2013-11-12 |
| 8038973 | High purity silicon production system and production method | Kensuke Okazawa, Shinji Tokumaru, Masaki Okajima | 2011-10-18 |
| 7713449 | Polymer electrolytic material, polymer electrolytic part, membrane electrode assembly, and polymer electrolyte fuel cell | Shinya Adachi, Daisuke Izuhara, Masataka Nakamura | 2010-05-11 |
| 7615202 | Method for producing high purity silicon | — | 2009-11-10 |
| 7345567 | Inverter transformer | Akihiro Fujii, Toru Hirohashi, Kiyoshi Hironaka, Katsuo Yamada, Akihiro Sudo +1 more | 2008-03-18 |
| 6989041 | Process for producing titanium sponge | Masanori Yamaguchi, Kenichi Kato, Shigeo Ampo | 2006-01-24 |
| 6942715 | Process for producing metallic titanium | Masanori Yamaguchi, Kenichi Kato, Shigeo Ampo | 2005-09-13 |
| 6820323 | Method of firing magnetic cores | Hiroyuki Kino, Yoshihiro Nishinaga | 2004-11-23 |
| 6468628 | Magnetic recording medium | Masanori Sueoka, Akimitsu Tsukuda | 2002-10-22 |
| 6096419 | Aromatic polyamide film and magnetic recording medium using the same | Kazumasa Yoneyama | 2000-08-01 |
| 6010765 | Aromatic polyamide film | Akimitsu Tsukuda, Kazumasa Yoneyama | 2000-01-04 |
| 5686166 | Magnetic recording medium having specified base film surface characteristics | Akimitsu Tsukuda, Kazumasa Yoneyama | 1997-11-11 |
| 5645918 | Magnetic recording medium having an aromatic polyamide substrate | Akimitsu Tsukuda, Kazumasa Yoneyama | 1997-07-08 |
| 4485863 | Control device for car-mounted air-conditioner | Yukio Yoshida, Akira Tanaka, Ryutaro Fukumoto, Ryosaku Akimoto, Shigetoshi Tanaka | 1984-12-04 |
| 4481789 | Air conditioner for vehicles | Ryosaku Akimoto | 1984-11-13 |
| 4476919 | Air conditioning apparatus for automobiles | Ryosaku Akimoto, Yukio Yoshida | 1984-10-16 |