Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9209462 | Non-aqueous electrolyte solution type lithium ion secondary battery | Tomitaro Hara, Akira Tsujiko, Sachie Yuasa, Takahito Imamine, Tsuyoshi Sasaki +5 more | 2015-12-08 |
| 8507130 | Water based lithium secondary battery | Hiroki Kondo, Tsuyoshi Sasaki, Osamu Hiruta, Yuichi Itou, Chikaaki Okuda +1 more | 2013-08-13 |
| 7025907 | Carbon-containing lithium-iron composite phosphorus oxide for lithium secondary battery positive electrode active material and process for producing the same | Masao Kohzaki, Yoshio Ukyo | 2006-04-11 |
| 6827767 | Ink for ball-point pen and ball-point pen | Masaru Miyamoto, Shigeru Miyazaki | 2004-12-07 |
| 6818047 | Ink for ball pen and ball pen | Masaru Miyamoto, Shigeru Miyazaki | 2004-11-16 |
| 6391927 | Method for manufacturing ink follower for water base ballpoint pens | Norio Ogura, Kiyoshi Iwamoto, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-05-21 |
| 6376560 | Ink follower for water-base ballpoint pens and method of manufacturing the same | Norio Ogura, Kiyoshi Iwamoto, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-04-23 |
| 6227738 | Method of manufacturing ink follower for water-base ballpoint pens | Norio Ogura, Kiyoshi Iwamoto, Tadashi Kamagata, Katsuhiko Shiraishi | 2001-05-08 |
| 5635307 | Thin-film electroluminescent element | Tsunemi Ohiwa, Hiroshi Fujiyasu | 1997-06-03 |