Company Filing History:

8 out of 42,485

Hitachi, Ltd.

patents

2 out of 228

Hitachi Software Engineering Company, Ltd.

patents

3 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1983-2006

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6999845 - Numerically controlled curved surface machining unit (2006-02-14),

2. 6934601 - Numerically controlled curved surface machining unit (2005-08-23),

3. 6680435 - Electronic device and method of fabricating the same (2004-01-20),

4. 6675061 - Numerically controlled curved surface machining unit (2004-01-06),

5. 6587747 - Numerically controlled curved surface machining unit (2003-07-01),

6. 6291880 - Semiconductor device including an integrally molded lead frame (2001-09-18),

7. 5661343 - Power hybrid integrated circuit apparatus (1997-08-26),

8. 5177670 - Capacitor-carrying semiconductor module (1993-01-05),

9. 4691223 - Semiconductor device having high breakdown voltage (1987-09-01),

10. 4484214 - pn Junction device with glass moats and a channel stopper region of (1984-11-20),

11. 4372805 - Method for regenerating an etch solution for aluminum and the alloys (1983-02-08),

Title: Masaaki Takahashi: Innovator in Numerically Controlled Machining

Introduction

Masaaki Takahashi is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of numerically controlled machining, holding a total of 11 patents. His work focuses on enhancing the precision and efficiency of machining processes, particularly for curved surfaces.

Latest Patents

One of Masaaki Takahashi's latest patents is a numerically controlled curved surface machining unit. This innovative unit is equipped with three linearly moving axes and at least one rotary axis. It features simultaneous multiple-axis control, which is numerically managed by a control unit that utilizes a numerical control NURBS interpolation function. The unit is designed to read cutter location (CL) data, enabling precise tool control along a workpiece coordinate system for curved surfaces. It calculates feed rates and converts CL data into position vectors for the machine's linear axes, ensuring accurate operation of the machining process.

Career Highlights

Throughout his career, Masaaki Takahashi has worked with notable companies, including Hitachi, Ltd. His expertise in numerically controlled machining has positioned him as a key figure in the industry. His inventions have contributed to advancements in machining technology, making processes more efficient and precise.

Collaborations

Masaaki has collaborated with several professionals in his field, including Kazuji Yamada and Junichi Hirai. These collaborations have further enhanced the development of innovative machining solutions.

Conclusion

Masaaki Takahashi's contributions to the field of numerically controlled machining have established him as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing technology in this area.

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