Company Filing History:

28 out of 42,485

Hitachi, Ltd.

Hitachi Vlsi Engineering Corp.

patents

4. 1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1980-2008

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28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7450789 - Micro sensor device (2008-11-11),

2. 7145146 - Micro-spectroscopic measuring device and micro-chemical system (2006-12-05),

3. 6931189 - Optical waveguides and optical devices with optical waveguides (2005-08-16),

4. 6731846 - Dispersion compensator and optical transmission system using same (2004-05-04),

5. 5698798 - Method and apparatus for dynamic observation of specimen (1997-12-16),

6. 5362972 - Semiconductor device using whiskers (1994-11-08),

7. 5332910 - Semiconductor optical device with nanowhiskers (1994-07-26),

8. 5091980 - Optical quantum interference device/optical computer and method of (1992-02-25),

9. 4957337 - Optical quantum interference device and method of modulating light using (1990-09-18),

10. 4900134 - Optical device (1990-02-13),

11. 4887877 - Optical devices and optical integrated circuits (1989-12-19),

12. 4887273 - Intercalation compound and generator of coherent radiation using the same (1989-12-12),

13. 4861130 - Optical modulating device utilizing polariton substance (1989-08-29),

14. 4840446 - Photo semiconductor device having a multi-quantum well structure (1989-06-20),

15. 4838633 - Semiconductor device with high speed signal transmission arrangement (1989-06-13),

Title: The Innovative Path of Toshio Katsuyama - Pioneering Micro Sensor Technology in Hachioji

Introduction: Toshio Katsuyama, a distinguished inventor hailing from Hachioji, Japan, has left a significant mark in the realm of innovation with his groundbreaking contributions to micro sensor technology.

Latest Patents: Among his 28 patents, Toshio Katsuyama's recent inventions include a Micro Sensor Device that revolutionizes refractive index measurements in biochemical analysis. This device utilizes a photonic crystal, eliminating the need for costly external spectrographs. Additionally, his Micro-Spectroscopic Measuring Device and Micro-Chemical System integrate photonic crystals with flow paths for efficient sample analysis.

Career Highlights: Throughout his career, Toshio Katsuyama has held pivotal roles at renowned companies such as Hitachi, Ltd. and Hitachi Cable, Inc. His dedication to innovation and expertise in micro sensor technology have propelled him to the forefront of the industry.

Collaborations: Toshio Katsuyama has collaborated closely with esteemed colleagues like Hiroyoshi Matsumura and Tsuneo Suganuma, pooling their collective knowledge and skills to drive forward cutting-edge research and development initiatives.

Conclusion: Toshio Katsuyama's inventive spirit and commitment to excellence continue to shape the landscape of micro sensor technology, opening new possibilities for precise and cost-effective biochemical measurements. His groundbreaking patents stand as a testament to his enduring legacy in the field of innovation.

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