Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719768 | Magnetic sensor and magnetic sensor device | Hiroyuki Tomita | 2023-08-08 |
| 9745194 | Method of producing cathode active material for lithium secondary battery | Akihiko Shirakawa, Gaku Oriji, Akihisa Tonegawa | 2017-08-29 |
| 9590246 | Method for producing lithium metal phosphate | Akihiko Shirakawa, Akihisa Tonegawa | 2017-03-07 |
| 9577249 | Cathode material for lithium secondary battery, and method of producing said cathode material | Gaku Oriji, Akihisa Tonegawa | 2017-02-21 |
| 8968594 | Production method of positive electrode active material for lithium secondary battery | Akihisa Tonegawa, Akihiko Shirakawa, Gaku Oriji | 2015-03-03 |
| 8174820 | Solid electrolytic capacitor and method for manufacturing same | Hideki Oohata | 2012-05-08 |
| 8004824 | Solid electrolytic capacitor element and solid electrolytic capacitor using same | — | 2011-08-23 |
| 7361202 | Tantalum sintered body and capacitor using the sintered body | Kazumi Naito | 2008-04-22 |
| 7274552 | Niobium for capacitor and capacitor using sintered body of the niobium | Masaaki Nishioka, Kazumi Naito | 2007-09-25 |
| 6882522 | Production method of solid electrolytic capacitor | Kazumi Naito | 2005-04-19 |
| 6865069 | Niobium powder, sintered body thereof, chemically modified product thereof and capacitor using them | Kazumi Naito | 2005-03-08 |
| 6835225 | Niobium sintered body, production method therefor, and capacitor using the same | Kazumi Naito | 2004-12-28 |
| 5665984 | Light-emitting diode | Koichi Hasegawa | 1997-09-09 |