Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46368 | Material for organic electroluminescent devices and organic electroluminescent devices made by using the same | Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Takashi Arakane | 2017-04-18 |
| 8911886 | Material for organic electroluminescent devices and organic electroluminescent devices made by using the same | Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Takashi Arakane | 2014-12-16 |
| 8741450 | Material for organic electroluminescence devices and organic electroluminescence device using the material | Toshihiro Iwakuma, Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa +1 more | 2014-06-03 |
| 8685543 | Material for organic electroluminescent devices and organic electroluminescent devices made by using the same | Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Takashi Arakane | 2014-04-01 |
| 8580391 | Material for organic electroluminescence devices and organic electroluminescence device using the material | Toshihiro Iwakuma, Hiroshi Yamamoto, Yoshio Hironaka, Hidetsugu Ikeda, Chishio Hosokawa +1 more | 2013-11-12 |
| 8580398 | Material for organic electroluminescent devices and organic electroluminescent devices made by using the same | Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Takashi Arakane | 2013-11-12 |
| 8123234 | Chuck apparatus | Motohiro Sotome | 2012-02-28 |
| 7990046 | Material for organic electroluminescent devices and organic electroluminescent devices made by using the same | Toshihiro Iwakuma, Chishio Hosokawa, Hidetsugu Ikeda, Takashi Arakane | 2011-08-02 |
| 7829204 | Material for organic electroluminescent device and organic electroluminescent device using same | Toshihiro Iwakuma, Mitsunori Ito | 2010-11-09 |
| 7118507 | Automatic reduction-ratio changing apparatus | Motohiro Sotome | 2006-10-10 |
| 6889563 | Position measuring device using change in inductance of coil, float-type flowmeter, and position measuring method | Setsuro Kawasaki, Motohiro Sotome, Tsuyoshi Watanabe | 2005-05-10 |
| 6102012 | Air heater for air cleaner | Tomohiro Iiboshi, Masahiro Kikuchi, Ikuo Takeishi, Atsuhiko Sakamoto, Masatoshi Tanioka | 2000-08-15 |
| 5478023 | Tape driving apparatus | — | 1995-12-26 |
| 5274523 | Mechanism for a tray type cassette loading device | Naoki Eguchi | 1993-12-28 |
| 5109309 | Cassette loading device for loading tape cassette having different shapes and different dimensions to a tape driving position | Satoshi Ohoka, Katsuya Hirakui | 1992-04-28 |
| 5105319 | Magnetic recording/reproducing apparatus in which tape cassettes of different sizes can be mounted | Satoshi Ohoka | 1992-04-14 |
| 4669006 | Tape player | — | 1987-05-26 |
| 4669012 | Head apparatus for a cassette tape recorder | — | 1987-05-26 |
| 4646187 | Cassette tape recorder | Kaoru Morinaga, Yoshihiro Kotoda | 1987-02-24 |
| 4636895 | Tape head apparatus for a cassette tape recorder | — | 1987-01-13 |
| 4625251 | Tape recorder | Kaoru Morinaga, Yoshihiro Kotoda | 1986-11-25 |
| 4593331 | Tape player | — | 1986-06-03 |
| 4587583 | Tape player | — | 1986-05-06 |
| 4542430 | Tape recorder | Kaoru Morinaga, Yoshihiro Kotoda | 1985-09-17 |
| 4532565 | Tape recorder | — | 1985-07-30 |