Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8350415 | Switch circuit with inductive load and capacitor | Hideaki Deguchi, Yu Yonezawa, Naoyuki Mishima | 2013-01-08 |
| 7786830 | Switch with movable portion | Yu Yonezawa, Naoyuki Mishima, Tadashi Nakatani, Anh Tuan Nguyen | 2010-08-31 |
| 7486488 | Electric contact switching device and power consumption control circuit | Yu Yonezawa | 2009-02-03 |
| 7129434 | Electric contact device | Yu Yonezawa, Yoshio Satoh, Tadashi Nakatani, Tsutomu Miyashita | 2006-10-31 |
| 7053739 | Electrical contacting device and method of making the same | Yu Yonezawa, Yoshio Satoh, Tadashi Nakatani, Tsutomu Miyashita | 2006-05-30 |
| 6404108 | Piezoelectric actuator | Masanori Yachi, Sumio Yamada | 2002-06-11 |
| 6177756 | Piezoelectric gyro and method of driving the piezoelectric gyro | Masanori Yachi, Sumio Yamada | 2001-01-23 |
| 5861705 | Tuning-fork vibratory gyro and sensor system using the same | Masaaki Ono, Sumio Yamada, Kazutugu Kikuchi, Motoi Yamauchi | 1999-01-19 |
| 5628099 | Method of producing series-resonant device using conductive adhesive resin | Masaaki Ono, Kenji Fukayama, Masanori Yachi | 1997-05-13 |
| 5474747 | Gas purifier using plasma and catalyst | Yuji Hayashi | 1995-12-12 |
| 5424602 | Piezoelectric transformer showing a reduced input impedance and step-up/step-down operation for a wide range of load resistance | Masuji Sato, Masanori Ueda, Hiroshi Hasegawa | 1995-06-13 |
| 5371430 | Piezoelectric transformer producing an output A.C. voltage with reduced distortion | Masuji Sato, Masanori Ueda, Hiroshi Hasegawa | 1994-12-06 |
| 5251049 | Reflection type active matrix liquid crystal apparatus | Masuji Sato, Akira Tanaka | 1993-10-05 |
| 5229680 | Piezoelectric transformer using single crystal of LiNbO.sub.3 | Masuji Sato, Kiyoshi Nakamura, Yoshinori Adachi | 1993-07-20 |
| 5187758 | Method of fabricating optical switch | Masanori Ueda, Hisashi Sawada, Akira Tanaka | 1993-02-16 |
| 5055786 | Barber-pole magnetoresistive magnetic field sensor | Shigemi Kurashima, Nobuyoshi Shimizu, Michiko Endoh, Akira Tanaka | 1991-10-08 |
| 5049809 | Sensing device utilizing magneto electric transducers | Shigemi Kurashima, Nobuyoshi Shimizu, Michiko Endoh, Yuji Kojima, Akira Tanaka +1 more | 1991-09-17 |
| 5018828 | Optical fiber | Akio Ohdaira, Shunji Abe, Akira Tanaka | 1991-05-28 |
| 4967598 | Acceleration sensor | Shigemi Kurashima, Nobuyoshi Shimizu, Michiko Endoh, Akira Tanaka | 1990-11-06 |
| 4810965 | Position detecting apparatus using a magnetic sensor and a closed magnetic circuit with non-uniform magnetic flux distribution | Yoshiro Fujiwara, Michiko Endo, Yuji Kojima, Akira Hirano, Kazunari Komenou | 1989-03-07 |
| 4779166 | Illuminating apparatus | Akira Tanaka, Shinpei Nagatani, Hisashi Sawada, Eietsu Takahashi, Takehisa Takoshima +1 more | 1988-10-18 |
| 4583019 | Piezoelectric resonator using 165.degree. Y-cut LiNbO.sub.3 | Sumio Yamada, Yoshiro Fujiwara, Yuji Kojima | 1986-04-15 |
| 4551695 | Surface acoustic device having multistrip coupler comprised of alternate coupled and uncoupled strips | Shigeo Tanji | 1985-11-05 |
| 4468582 | Piezoelectric resonator chip and trimming method for adjusting the frequency thereof | Yoshiro Fujiwara, Yuji Kojima, Sumio Yamada, Hiroshi Hoshino | 1984-08-28 |
| 4454444 | LiTaO.sub.3 Piezoelectric resonator | Yoshiro Fujiwara, Sumio Yamada, Hiroshi Hoshino | 1984-06-12 |