Company Filing History:

6 out of 35,689

Nec Corporation

patents

1 out of 2,253

Adv Antest Corporation

patents

1 out of 2,467

Nec Electronics Corporation

Years Active: 1982-2003

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6604214 - One-chip microcomputer capable of internally producing ECC data (2003-08-05),

2. 6487700 - Semiconductor device simulating apparatus and semiconductor test program debugging apparatus using it (2002-11-26),

3. 5929500 - Light receiving device for use in optical fiber communications and the (1999-07-27),

4. 5764075 - Input circuit for mode setting (1998-06-09),

5. 5506806 - Memory protection circuit for EPROM (1996-04-09),

6. 5392301 - Programmable read only memory device having test tool for error checking (1995-02-21),

7. 5389926 - Microcomputer having test circuit for A/D converter (1995-02-14),

8. 5126944 - Data processing apparatus for producing in sequence pulses having (1992-06-30),

9. 4353299 - Automatic control system for offset printing machine (1982-10-12),

Title: Kiyoshi Fukushima: Innovator in Semiconductor Technology

Introduction

Kiyoshi Fukushima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work primarily focuses on enhancing the functionality and reliability of microcomputers and semiconductor devices.

Latest Patents

One of Fukushima's latest patents is a one-chip microcomputer capable of internally producing error correction code (ECC) data. This innovative microcomputer is designed for use in automobiles, where it adds ECC data to user data before storing it in an EEPROM. This process corrects any 1-bit errors present in the user data. The architecture of this microcomputer includes an electrically erasable memory for temporarily storing externally supplied user data and ECC data, a program storage memory for storing a program, and a CPU that reads the program to produce ECC data and correct errors in the user data.

Another notable patent is a semiconductor device simulating apparatus, which measures current and voltage values that vary based on the internal resistance of a device under test (DUT). This apparatus simulates these values according to various parameters and a prescribed test signal. Additionally, it includes a semiconductor test program debugging apparatus that utilizes the simulation capabilities of the semiconductor device.

Career Highlights

Fukushima has worked with several notable companies throughout his career, including NEC Corporation and Advantest Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Some of his notable coworkers include Hajime Sakuma and Yukio Maehashi. Their collaboration has contributed to the advancement of semiconductor technologies and innovations.

Conclusion

Kiyoshi Fukushima's contributions to semiconductor technology through his patents and collaborations have significantly impacted the industry. His innovative designs continue to enhance the functionality and reliability of electronic devices.

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