Masaru Kawachi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic probe
- Patent number 6,020,675
- Issue date Feb 1, 2000
- Kabushiki Kaisha Toshiba
- Yohachi Yamashita
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Piezoelectric single crystal, ultrasonic probe, and array-type ultr...
- Patent number 5,402,791
- Issue date Apr 4, 1995
- Kabushiki Kaisha Toshiba
- Shiroh Saitoh
- C30 - CRYSTAL GROWTH
Information Patent Grant
Optical wavelength-converting device for guided-wave second-harmoni...
- Patent number 5,113,469
- Issue date May 12, 1992
- Kabushiki Kaisha Toshiba
- Genichi Hatakoshi
- G02 - OPTICS
Information Patent Grant
Method for purifying group II-IV compound semiconductors
- Patent number 4,960,721
- Issue date Oct 2, 1990
- Kabushiki Kaisha Toshiba
- Kazutaka Terashima
- C30 - CRYSTAL GROWTH