Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7014954 | Nonaqueous electrolyte secondary battery including vinylene carbonate and an antioxidant in the electrolyte | Akira Yamaguchi, Masayuki Nagamine, Minoru Hasegawa | 2006-03-21 |
| 6913856 | Nonaqueous electrolyte secondary battery | Takao Nirasawa, Hidetoshi Ito | 2005-07-05 |
| 6884543 | Material for positive electrode and secondary battery | Hisashi Tsujimoto, Yoshikatsu Yamamoto, Junji Kuyama, Masayuki Nagamine, Hiroaki Tanizaki | 2005-04-26 |
| 6806003 | Nonaqueous electrolyte secondary battery having a negative electrode containing carbon fibers and carbon flakes | Akira Yamaguchi, Shinji Hatake, Masayuki Nagamine | 2004-10-19 |
| 6764767 | Graphite powders suited for negative electrode material of lithium ion secondary battery | Koji Moriguchi, Mitsuhara Yonemura, Kazuhito Kamei, Masaru Abe, Hideya Kaminaka +2 more | 2004-07-20 |
| 6716557 | Anode material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using such anode material | Naoyuki Nakajima, Masayuki Nagamine | 2004-04-06 |
| 6686094 | Non-acqueous electrolyte secondary cell | Naoyuki Nakajima, Masayuki Nagamine | 2004-02-03 |
| 6679925 | Methods of manufacturing negative material and secondary battery | Hiroaki Tanizaki, Hiroshi Imoto | 2004-01-20 |
| 6677080 | Non-aqueous electrolyte secondary cell | Hiroaki Tanizaki | 2004-01-13 |
| 6623888 | Non-aqueous electrolyte secondary cell | Naoyuki Nakajima, Masayuki Nagamine | 2003-09-23 |
| 6506519 | Nonaqueous secondary battery, method for making negative electrode component therefor, and apparatus for evaluating and making graphite material for negative electrode component | Kotaro Satori, Akinori Kita | 2003-01-14 |
| 6440609 | Non-aqueous electrolytic cell comprising low weight percent of carbon fibers | Akira Yamaguchi, Masayuki Nagamine | 2002-08-27 |
| 6423452 | Hydrocarbon polymer based nonaqueous electrolytic secondary battery and method of making the same | Akinori Kita, Naoko Inagaki, Akio Takahashi | 2002-07-23 |
| 6335122 | Carbonaceous electrode material for non-aqueous secondary battery | Shinichiro Yamada, Hiroshi Imoto, Hideto Azuma, Tadashi Senoo, Koji Sekai +4 more | 2002-01-01 |
| 6277522 | Non-aqueous electrolyte secondary cell cathode material and non-aqueous electrolyte secondary cell employing the cathode material | Naoyuki Nakajima, Masayuki Nagamine | 2001-08-21 |
| 6146790 | Non-aqueous electrolyte secondary cell | Akira Yamaguchi, Masayuki Nagamine | 2000-11-14 |
| 5932373 | Non-aqueous electrolyte secondary cell using carbonaceous material for negative electrode | Masayuki Nagamine, Naoyuki Nakajima | 1999-08-03 |
| 5916707 | Nonaqueous-electrolyte secondary battery and battery case for limiting expansion thereof due to internal pressure | Akira Yamaguchi, Masayuki Nagamine | 1999-06-29 |
| 5847188 | Carbonate compounds, non-aqueous electrolytic solutions and batteries comprising non-aqueous electrolytic solutions | Keiichi Yokoyama, Akio Hiwara, Shigeru Fujita | 1998-12-08 |
| 5716732 | Anode material and method of manufacturing the same | Hiroshi Imoto, Hideto Azuma, Yoshio Nishi, Yoshihisa Gonno, Masayuki Nagamine | 1998-02-10 |
| 5714281 | Non-aqueous liquid electrolyte secondary cell | Yoshiaki Naruse, Shigeru Fujita | 1998-02-03 |
| 5667914 | Process for preparing carbonaceous material for negative electrode of cell and non-aqueous electrolyte secondary cell using same | Masayuki Nagamine, Naoyuki Nakajima | 1997-09-16 |
| 5643426 | Anode material and method of manufacturing the same | Hiroshi Imoto, Hideto Azuma, Yoshio Nishi, Yoshihisa Gonno, Masayuki Nagamine | 1997-07-01 |
| 5639575 | Non-aqueous liquid electrolyte secondary battery | Masayuki Nagamine, Naoyuki Date | 1997-06-17 |
| 5633099 | Carbonate compounds, non-aqueous electrolytic solutions and batteries comprising non-aqueous electrolytic solutions | Keiichi Yokoyama, Akio Hiwara, Shigeru Fujita | 1997-05-27 |