Company Filing History:

16 out of 42,485

Hitachi, Ltd.

patents

4 out of 162

Hitachi Engineering Co., Ltd.

patents

1 out of 832,680

Other

patents

where one patent can have more than one assignee

Years Active: 1988-2001

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6249837 - Memory with plurality of blocks each accessed selectively with either one of two operational modes to reduce current dissipation using values of register bits set by an instruction signal (2001-06-19),

2. 6198334 - CMOS circuit (2001-03-06),

3. 5956263 - Multiplication, division and square root extraction apparatus (1999-09-21),

4. 5644703 - Data processor providing fast break in program execution (1997-07-01),

5. 5642499 - Method and apparatus for controlling timing of execution of saving and (1997-06-24),

6. 5631858 - System for obtaining strict solution in accordance with accuracy of (1997-05-20),

7. 5524087 - Method of forming a signal wave from first and second waveform data (1996-06-04),

8. 5504912 - Coprocessor executing pipeline control for executing protocols and (1996-04-02),

9. 5493659 - Data processor providing fast break in program execution (1996-02-20),

10. 5455955 - Data processing system with device for arranging instructions (1995-10-03),

11. 5418734 - Finely adjustable signal wave forming circuit including complementary (1995-05-23),

12. 5375211 - Bus error processing system having direct bus master/CPU communication (1994-12-20),

13. 5293558 - Multiplication, division and square root extraction apparatus (1994-03-08),

14. 4998197 - Data processor with fast break in program execution by selectively (1991-03-05),

15. 4979103 - Data processing method and apparatus having plural bus interfaces (1990-12-18),

Title: Hiroyuki Kida: Innovator in Memory Technology

Introduction

Hiroyuki Kida is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of memory technology, holding a total of 17 patents. His work focuses on enhancing the efficiency and performance of memory systems.

Latest Patents

One of Kida's latest patents involves a memory configuration that features a plurality of blocks accessed selectively through two operational modes. This innovation aims to reduce current dissipation by utilizing values of register bits set by an instruction signal. The memory is designed to operate in a high-speed access mode, which allows for rapid data retrieval but consumes more current, and a small current mode, which is slower but more energy-efficient. Another notable patent is related to a CMOS noise eliminating circuit, where a series of PMOS or NMOS transistors are connected to improve the noise-resistant performance of semiconductor integrated circuits.

Career Highlights

Throughout his career, Kida has worked with notable companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in memory technology.

Collaborations

Kida has collaborated with several talented individuals in his field, including Shigeki Morinaga and Mitsuru Watabe. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.

Conclusion

Hiroyuki Kida's contributions to memory technology have made a lasting impact on the industry. His innovative patents and collaborations highlight his dedication to improving the efficiency and performance of memory systems.

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