Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570016 | Carbon nanotube and process for producing the carbon nanotube, and lithium ion secondary battery using the carbon nanotube | Wataru Oda, Kazushige Kawai, Tomohiro Honda, Seiji Okazaki, Tetsuro Toda | 2020-02-25 |
| 5599378 | Spindle-shaped magnetic iron based alloy particles and process for producing the same | Akio Mishima, Tosiharu Harada, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka +4 more | 1997-02-04 |
| 5466306 | Spindle-shaped magnetic iron based alloy particles | Akio Mishima, Tosiharu Harada, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka +4 more | 1995-11-14 |
| 5238483 | Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same | Akio Mishima, Mamoru Tanihara, Yasutaka Ota, Hirofumi Kawasaki, Kenji Okinaka +3 more | 1993-08-24 |
| 5156922 | Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same | Akio Mishima, Mamoru Tanihara, Yasutaka Ota, Hirofumi Kawasaki, Kenji Okinaka +3 more | 1992-10-20 |
| 5079092 | Plate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the same | Masaaki Maekawa, Norio Sugita | 1992-01-07 |
| 5075169 | Plate-like composite ferrite particles for magnetic recording and process for producing the same | Norio Sugita | 1991-12-24 |
| 4851292 | Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same | Akihiko Hirayama, Norio Sugita, Masao Kiyama, Toshio Takada, Katsunori Fujimoto +1 more | 1989-07-25 |
| 4806429 | Plate-like barium ferrite particles suitable for use in magnetic recording and process for producing the same | Akihiko Hirayama, Norio Sugita, Masao Kiyama, Toshio Takada, Katsunori Fujimoto +1 more | 1989-02-21 |
| 4781981 | Plate-like magnetoplumbite ferrite particles for magnetic recording and process for producing the same | Tsutomu Katamoto, Yasutaka Ota, Katsunori Fujimoto, Akihiko Hirayama, Masao Kiyama | 1988-11-01 |
| 4752407 | Process for producing plate-like barium ferrite particles | Katsunori Fujimoto, Yasutaka Ota, Masao Kiyama, Toshio Takada | 1988-06-21 |
| 4698182 | Hexagonal plate-like barium ferrite particles for magnetic recording and process for producing the same | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1987-10-06 |
| 4585568 | Plate-like barium ferrite particles for magnetic recording and process for producing the same | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1986-04-29 |
| 4584242 | Plate-like barium ferrite particles for magnetic recording and process for producing the same | Norio Sugita, Nanao Horiishi, Masao Kiyama, Toshio Takada | 1986-04-22 |
| 4561988 | Process for production of plate-like barium ferrite particles for magnetic recording | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1985-12-31 |
| 4548801 | Plate-like barium ferrite particles for use in magnetic recording and process for producing the same | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1985-10-22 |
| 4539129 | Barium ferrite particles and process for producing said particles | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1985-09-03 |
| 4529524 | Process for producing plate-like barium ferrite particles for magnetic recording | Nanao Horiishi, Masao Kiyama, Toshio Takada | 1985-07-16 |