Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8922059 | Power operation system, power operation method and photovoltaic power generator | Tetsuya Yoneda, Naoto Nishimura | 2014-12-30 |
| 7629079 | Lithium polymer secondary battery | Tsutomu Sada, Kazunari Takeda, Yumiko Takashima, Naoto Nishimura, Kazuo Yamada +3 more | 2009-12-08 |
| 7311998 | Lithium polymer battery with a crosslinked electrolyte | Tsutomu Sada, Kazunari Takeda, Naoto Nishimura, Naoto Torata, Kazuo Yamada +1 more | 2007-12-25 |
| 7273503 | Lithium polymer secondary battery and method for manufacturing the same | Tsutomu Sada, Kazunari Takeda, Yumiko Takashima, Naoto Nishimura, Kazuo Yamada +2 more | 2007-09-25 |
| 7270914 | Lithium secondary cell | Tsutomu Sada, Kazunari Takeda, Yumiko Takashima, Naoto Nishimura, Kazuo Yamada +2 more | 2007-09-18 |
| 7238444 | Lithium secondary battery | Tsutomu Sada, Kazunari Takeda, Yumiko Takashima, Naoto Nishimura, Kazuo Yamada +2 more | 2007-07-03 |
| 7202412 | Photovoltaic cell including porous semiconductor layer, method of manufacturing the same and solar cell | Ryohsuke Yamanaka, Naoki Koide, Liyuan Han, Yasuo Chiba, Hisako Imai | 2007-04-10 |
| 7192675 | Lithium polymer secondary battery | Tsutomu Sada, Kazunari Takeda, Yumiko Takashima, Naoto Nishimura, Kazuo Yamada +2 more | 2007-03-20 |
| 6998167 | Thin secondary battery | Motoaki Nishijima, Kazuo Yamada, Hiroshi Matsumura, Hideo Suzue, Shigemi Asai | 2006-02-14 |
| 6689511 | Secondary battery and electronic instrument using it | Kazuo Yamada, Motoaki Nishijima | 2004-02-10 |
| 6534214 | Lithium secondary cell | Motoaki Nishijima, Kazuo Yamada, Naoto Nishimura, Naoto Torata | 2003-03-18 |
| 6465135 | Polymeric solid electrolyte and electrochemical element using the same | Naoto Nishimura, Naoto Torata | 2002-10-15 |
| 6379644 | Process for producing a positive electrode active material for a nonaqueous secondary battery and a nonaqueous secondary battery using the active material | Naoto Torata, Toyoshi Iida, Tetsushi Makino, Shigeyuki Hamano, Tomohiko Inada | 2002-04-30 |
| 6344294 | Process for preparing a positive electrode active material for a nonaqueous secondary battery by forming an oxalate precipitate | Naoto Torata | 2002-02-05 |
| 6159638 | Solid polymer electrolyte and preparation method therefor | Tsutomu Takatera, Naoto Nishimura, Kazuaki Minato | 2000-12-12 |
| 6132906 | Nonaqueous battery | Naoto Nishimura, Kazuo Yamada, Yoshihiro Tsukuda, Tsutomu Takatera | 2000-10-17 |
| 6103421 | Process of producing a positive electrode active material and nonaqueous secondary battery using the same | Naoto Torata, Kazuaki Minato | 2000-08-15 |
| 6040092 | Nonaqueous secondary battery | Kazuo Yamada, Naoto Nishimura, Yoshihiro Tsukuda, Kazuaki Minato | 2000-03-21 |
| 6027833 | Nonaqueous electrolyte secondary cell | Naoki Ueda, Hiroshi Ueshima, Kazuaki Minato, Kazuo Yamada, Naoto Nishimura | 2000-02-22 |
| 6015637 | Process of producing lithium nickel oxide and nonaqueous secondary battery using the same | Naoto Torata, Kazuaki Minato, Toyoshi Iida, Tetsushi Makino, Shigeyuki Hamano +1 more | 2000-01-18 |
| 5985488 | Process for preparing positive electrode active material, and nonaqueous secondary battery utilizing the same | Naoto Torata, Tetsuya Yoneda, Kazuaki Minato, Toyoshi Iida, Tetsushi Makino +3 more | 1999-11-16 |
| 5965296 | Nonaqueous secondary battery and a method of manufacturing a negative electrode active material | Naoto Nishimura, Kazuo Yamada, Yoshihiro Tsukuda, Kazuaki Minato | 1999-10-12 |
| 5955219 | Lithium nickel copper composite oxide and its production process and use | Motoaki Nishijima | 1999-09-21 |
| 5900335 | Non-aqueous secondary battery and negative electrode for non-aqueous secondary battery | Naoto Nishimura, Tetsuya Yoneda, Kazuo Yamada | 1999-05-04 |
| 5879417 | Process for preparing carbon electrode for nonaqueous secondary battery | Kazuo Yamada, Naoto Nishimura, Yoshihiro Tsukuda, Tetsuya Yoneda | 1999-03-09 |