Company Filing History:

16 out of 42,496

Hitachi, Ltd.

patents

1 out of 1,267

Hitachi Koki Co., Ltd.

where one patent can have more than one assignee

Years Active: 1977-1990

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4935285 - Ceramic substrates for microelectronic circuits and process for (1990-06-19),

2. 4934781 - Light deflecting system with rotating mirror (1990-06-19),

3. 4817276 - Process for producing ceramic substrates for microelectronic circuits (1989-04-04),

4. 4736276 - Multilayered ceramic wiring circuit board and the method of producing (1988-04-05),

5. 4734233 - Ceramic wiring substrate and process for producing the same (1988-03-29),

6. 4608316 - Ceramic wiring board and process for producing the same (1986-08-26),

7. 4604496 - Ceramic multilayer wiring board (1986-08-05),

8. 4576735 - Electroconductive molybdenum paste (1986-03-18),

9. 4465727 - Ceramic wiring boards (1984-08-14),

10. 4464420 - Ceramic multilayer circuit board and a process for manufacturing the same (1984-08-07),

11. 4457950 - Process for producing wiring circuit board (1984-07-03),

12. 4206968 - Optical fiber and method for producing the same (1980-06-10),

13. 4203743 - Method of producing optical fiber (1980-05-20),

14. 4119886 - Pulse generator (1978-10-10),

15. 4101300 - Method and apparatus for drawing optical fiber (1978-07-18),

Title: Gyozo Toda: Innovator in Light Deflecting Systems and Ceramic Substrates

Introduction

Gyozo Toda is a prominent inventor based in Hino, Japan, known for his significant contributions to the fields of light deflecting systems and ceramic substrates. With a total of 16 patents to his name, Toda has made remarkable advancements that have influenced various technological applications.

Latest Patents

One of his latest inventions is a light deflecting system with a rotating mirror. This innovative system employs a non-circular dynamic gas bearing that provides dynamic pressure to radially support the shaft. The bearing is designed with multiple grooves or embankments that enhance rigidity by increasing dynamic gas pressure. This design allows for nondestructive movement of the shaft while absorbing resonant energy, ensuring that the shaft and bearing do not come into contact. Consequently, oscillation energy is dissipated, effectively attenuating resonance oscillation as it occurs. Additionally, Toda has developed a ceramic substrate for microelectronic circuits, which boasts superior properties such as a favorable coefficient of thermal expansion, dielectric constant, and mechanical strength. This substrate is composed of a sintered body made primarily of mullite crystals and a non-crystalline binder.

Career Highlights

Throughout his career, Gyozo Toda has worked with notable companies, including Hitachi, Ltd. and Hitachi Koki Co., Ltd. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Toda has collaborated with esteemed colleagues such as Takashi Kuroki and Tsuyoshi Fujita. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Gyozo Toda's contributions to the fields of light deflecting systems and ceramic substrates highlight his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in engineering and invention.

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