TT

Tadao Takagi

NI Nikon: 103 patents #7 of 2,493Top 1%
NK Nippon Kogaku K.K.: 5 patents #67 of 382Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #12,498 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 1–25 of 108 patents

Patent #TitleCo-InventorsDate
7487098 Method for maintaining product and maintenance business system for product 2009-02-03
6611081 Vibration actuator with two vibration modes Mitsuhiro Okazaki, Tomoaki Suzuki, Nobuyoshi Nasu, Tsuyoshi Matsumoto, Isao Sugaya +1 more 2003-08-26
6252332 Ultrasonic motor Takatoshi Ashizawa 2001-06-26
6091179 Vibration actuator drive device and method of use Michihiro Tobe, Daisuke Saya 2000-07-18
6078438 Vibration actuator and lens barrel Mine Shibata, Tunemi Gonda, Tsuyoshi Matsumoto, Michihiro Tobe 2000-06-20
5990597 Ultrasonic motor having high drive efficiency Daisuke Saya 1999-11-23
5986383 Drive device and information recording and processing device Masanori Hasuda 1999-11-16
5939847 Drive control device for ultrasonic motors Takatoshi Ashizawa 1999-08-17
5932952 Vibration motor having a two-phase drive of a longitudinal vibration and a bending vibration mode 1999-08-03
5917268 Vibration driven motor 1999-06-29
5898164 Recording medium processing device having a vibration actuator and for use in an automatic device such as a pachinko machine 1999-04-27
5870634 Image blur suppression device utilizing a vibration motor Isao Sugaya 1999-02-09
5852336 Vibration actuator which effectively transmits micro-amplitude vibrations 1998-12-22
5850117 Vibration Actuator and adjustment method therefor Michihiro Tobe 1998-12-15
5821667 Ultrasonic motor Takatoshi Ashizawa 1998-10-13
5821670 Vibration acutuator Michihiro Tobe 1998-10-13
RE35877 Automatic light modulating camera 1998-08-25
RE35852 Power supply frequency regulating device for vibration wave driven motor 1998-07-21
5777671 Solid state imager having high frequency transfer mode Yasuhito Maki, Tetsuro Goto, Hiroyuki Iwasaki 1998-07-07
5765045 Camera capable of detecting eye-gaze Shigemasa Sato 1998-06-09
5744897 Driving control device for vibration wave motor Ryoichi Suganuma, Daisuke Saya 1998-04-28
5742852 Photometry system Masaru Muramatsu, Hiroyuki Iwasaki 1998-04-21
5740481 Exposure calculation device for camera Hiroyuki Iwasaki 1998-04-14
5726518 Supporting device of relative moving element of vibration actuator or vibration motor 1998-03-10
5723935 Vibration driven motor Yoshiro Tomikawa, Mitsuhiro Okazaki, Takatoshi Ashizawa, Isao Sugaya 1998-03-03