Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491396 | Magnetic bearing apparatus and rotating machine having such an apparatus | Naohiko Takahashi, Minoru Hiroshima, Yasuo Fukushima | 1996-02-13 |
| 5486729 | Method and apparatus for controlling a magnetic bearing | Mitsuho Yoneyama, Naohiko Takahashi, Yasuo Fukushima, Minoru Hiroshima, Tadashi Kaneki +2 more | 1996-01-23 |
| 5408875 | Balancing method for flexible rotor and a balancer applicable to the balancing method | Naohiko Takahashi, Mitsuho Yoneyama, Yasuo Fukushima, Minoru Hiroshima, Naohumi Sakanashi +1 more | 1995-04-25 |
| 5256952 | Magnetic bearing control method and apparatus | Mitsuho Yoneyama, Naohiko Takahashi, Yasuo Fukushima | 1993-10-26 |
| 5230616 | Rotary compressor with shaft balancers | Yukio Serizawa, Motohiro Shiga, Masatsune Sutou, Hiroaki Hata, Koichi Sekiguchi +1 more | 1993-07-27 |
| 5051852 | Mechanism for balancing a rotary magnetic head apparatus | Takashi Kohno, Takao Terayama, Mashanori Kohchi, Hideo Tomizawa, Kouji Satoh +1 more | 1991-09-24 |
| 5012359 | Magnetic disk apparatus | Takashi Kohno, Michiaki Ida, Katsuaki Kikuchi, Taro Sonoda, Yuzo Yamaguchi | 1991-04-30 |
| 4992714 | Band pass filter device and a method of filtering using such a device | Michiyuki Takagi, Toyomi Yoshida, Naohiko Takahashi, Ikuhiro Saitoh | 1991-02-12 |
| 4841212 | Electromagnetic bearing control apparatus | Michiyuki Takagi, Mitsuho Yoneyama, Toyomi Sugaya, Ikuhiro Saito | 1989-06-20 |
| 4768921 | Turbomolecular vacuum pump | Ueda Shinjiro, Naoyuki Tamura, Yoshiteru Miyatake | 1988-09-06 |
| 4732530 | Turbomolecular pump | Shinjiroo Ueda, Takeshi Okawada, Kazuaki Nakamori | 1988-03-22 |
| 4697128 | Control apparatus for a rotor supported by an electromagnetic bearing | Michiyuki Takagi, Mitsuho Yoneyama, Toyomi Sugaya | 1987-09-29 |
| 4685335 | Method and apparatus for monitoring cracks of a rotatable body | Kazuo Sato, Kouki Shiohata, Katsuaki Kikuchi, Masakazu Takasumi, Ichiya Sato +1 more | 1987-08-11 |
| 4579508 | Turbomolecular pump | Nobuo Tsumaki, Shinjiro Ueda, Kousuke Noda, Hideki Izumi, Takeshi Okawada | 1986-04-01 |
| 4557679 | Rotary fluid machine with thrust bearing mounting unit | Hidetomo Mori, Katsumi Matsubara, Michiaki Ida, Shigeru Sasaki | 1985-12-10 |
| 4377947 | Device for identifying rubbing locations in rotating machines | Motohiro Satoh, Susumu Hioki, Katsuaki Kikuchi, Shigeru Izumi | 1983-03-29 |