Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869700 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber | Katsutoshi Nakagawa, Hisashi Takahashi, Teruo Murakami, Masao Obama | 2005-03-22 |
| 6731111 | Validity determination using magnetic ink having magnetic powders with different Curie temperatures | Katsutoshi Nakagawa, Teruo Murakami, Tadahiko Kobayashi, Hisashi Takahashi, Masao Obama | 2004-05-04 |
| 6676772 | Magnetic material | Akiko Saito, Tadahiko Kobayashi, Masashi Sahashi | 2004-01-13 |
| 6610425 | Soft magnetic alloy fiber, manufacturing method for soft magnetic alloy fiber, and information recording article using soft magnetic alloy fiber | Katsutoshi Nakagawa, Hisashi Takahashi, Teruo Murakami, Masao Obama | 2003-08-26 |
| 6546968 | Bond magnet and manufacturing method thereof, and actuator therewith | Katsutoshi Nakagawa, Fumiyuki Kawashima, Shinya Sakurada, Tomohisa Arai | 2003-04-15 |
| 6545466 | MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MANUFACTURING METHOD FOR MAGNETIC POWDER FOR VALIDITY DETERMINING INK, MAGNETIC INK FOR VALIDITY DETERMINATION, PRINTING MEMBER FOR VALIDITY DETERMINATION, DETECTING DEVICE FOR PRINTING MEMBER FOR VALIDITY DETERMINATION, AND VALIDITY DETERMINATION DEVICE | Katsutoshi Nakagawa, Teruo Murakami, Tadahiko Kobayashi, Hisashi Takahashi, Masao Obama | 2003-04-08 |
| 6475302 | Permanent magnet | Wu Mei, Toshiya Sakamoto, Shinya Sakurada, Akihiko Tsutai, Akiko Saito +1 more | 2002-11-05 |
| 6317020 | Bond magnet and manufacturing method thereof, and actuator therewith | Katsutoshi Nakagawa, Fumiyuki Kawashima, Shinya Sakurada, Tomohisa Arai | 2001-11-13 |
| 6130006 | Hydrogen-absorbing alloy | Tatsuoki Kohno, Isao Sakai, Masaaki Yamamoto, Motoya Kanda, Hideki Yoshida +5 more | 2000-10-10 |
| 6030724 | Hydrogen-storage alloy and alkali secondary battery using same | Takamichi Inaba, Yumiko Takahashi | 2000-02-29 |
| 5843372 | Hydrogen-absorbing alloy for battery, method of manufacturing the same, and secondary nickel-metal hydride battery | Hiroyuki Hasebe, Shusuke Inada, Yoshiyuki Isozaki, Takamichi Inaba, Hiromichi Horie +3 more | 1998-12-01 |
| 5804282 | Magnetic core | Yumie Watanabe, Yumiko Takahashi, Yoshiyuki Yamaguchi, Susumu Matsushita, Masami Okamura | 1998-09-08 |
| 5753386 | Hydrogen-absorbing alloy for battery and secondary nickel-metal hydride battery | Takamichi Inaba, Shusuke Inada, Fumiyuki Kawashima, Noriaki Sato, Toshiya Sakamoto +3 more | 1998-05-19 |
| 5654115 | Hydrogen-absorbing alloy for battery, method of manufacturing the same, and secondary nickel-metal hydride battery | Hiroyuki Hasebe, Shusuke Inada, Yoshiyuki Isozaki, Takamichi Inaba, Hiromichi Horie +3 more | 1997-08-05 |
| 5622768 | Magnetic core | Yumie Watanabe, Yumiko Takahashi, Yoshiyuki Yamauchi, Susumu Matsushita, Masami Okamura | 1997-04-22 |
| 5522948 | Fe-based soft magnetic alloy, method of producing same and magnetic core made of same | Yumiko Takahashi | 1996-06-04 |
| 5470646 | Magnetic core and method of manufacturing core | Masami Okamura, Yoshiyuki Yamauchi, Takao Kusada | 1995-11-28 |
| 5334262 | Method of production of very thin soft magnetic alloy strip | Masaaki Yagi | 1994-08-02 |
| 5258681 | Magnetic slot wedges for dynamo-electric machines | Sadayoshi Hibino, Tadayuki Sato, Motoyasu Mochizuki, Tadatomo Kimura, Shigeo Ozawa +1 more | 1993-11-02 |
| 5252877 | Slot insulating magnetic wedges | Yasuo Sakata, Sadayoshi Hibino, Tadayuki Sato, Motoyasu Mochizuki, Tadatomo Kimura +1 more | 1993-10-12 |
| 5225006 | Fe-based soft magnetic alloy | Masami Okamura | 1993-07-06 |
| 5198040 | Very thin soft magnetic Fe-based alloy strip and magnetic core and electromagnetic apparatus made therefrom | Masaaki Yagi | 1993-03-30 |
| 5192375 | Fe-based soft magnetic alloy | Masami Okamura, Yumiko Takahashi | 1993-03-09 |
| 5178689 | Fe-based soft magnetic alloy, method of treating same and dust core made therefrom | Masami Okamura | 1993-01-12 |
| 5138393 | Magnetic core | Masami Okamura, Takao Kusaka, Yoshiyuki Yamauchi | 1992-08-11 |