Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10573891 | Carbon material for nonaqueous electrolyte secondary battery and method for manufacturing same, and negative electrode using carbon material and nonaqueous electrolyte secondary battery | Makoto IMAJI, Kenta Aoki, Yasuhiro Tada, Naohiro Sonobe, Junichi Arima +5 more | 2020-02-25 |
| 9508494 | Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same | Naohiro Sonobe, Yasuhiro Tada, Hajime Komatsu, Junichi Arima, Akimi Ogawa +4 more | 2016-11-29 |
| 9478805 | Carbonaceous material for negative electrodes of nonaqueous electrolyte secondary batteries and method for producing same | Yasuhiro Tada, Yasushi Ebihara, Mayu Komatsu, Hajime Komatsu, Naohiro Sonobe +6 more | 2016-10-25 |
| 6569570 | Carbonaceous electrode material for secondary battery | Naohiro Sonobe, Minoru Ishikawa | 2003-05-27 |
| 6335122 | Carbonaceous electrode material for non-aqueous secondary battery | Shinichiro Yamada, Hiroshi Imoto, Hideto Azuma, Tadashi Senoo, Koji Sekai +4 more | 2002-01-01 |
| 6303249 | Carbonaceous electrode material for secondary battery and process for production thereof | Naohiro Sonobe, Fumio Shibata | 2001-10-16 |
| 5741472 | Carbonaceous electrode material for secondary battery | Naohiro Sonobe, Takao Iwasaki | 1998-04-21 |
| 5721071 | Graphitic electrode material for secondary battery and process for production thereof | Naohiro Sonobe, Akio Hoshi | 1998-02-24 |
| 5527643 | Carbonaceous electrode material for secondary battery and process for production thereof | Naohiro Sonobe, Takao Iwasaki | 1996-06-18 |
| 5378770 | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshikatsu Satake, Yoshiyuki Inaguma | 1995-01-03 |
| 5374692 | Poly (arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshikatsu Satake, Yoshiyuki Inaguma | 1994-12-20 |
| 5250636 | Poly(arylene thioether-ketone-ketone) copolymer and production process thereof | Yoshikatsu Satake, Yoshiyuki Inaguma | 1993-10-05 |