Kazumi Ogawa

This inventor holds 7 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Vlsi Limited. Active years: 1991-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumi Ogawa. Retrieved from https://idiyas.com/inventor/kazumi-ogawa-wvs9au6d

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 47(Granted Patents)

Location History:

Komaki, JP (1991 - 1994)
Kasugai, JP (1993 - 1997)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1991-1997

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5594382 - Constant voltage circuit (1997-01-14),

2. 5365167 - Integrated circuit device having signal discrimination circuit and (1994-11-15),

3. 5304923 - Integrated circuit device having signal discrimination circuit and (1994-04-19),

4. 5180992 - PLL frequency synthesizer having a power saving circuit (1993-01-19),

5. 5168219 - Integrated circuit device having signal discrimination circuit and (1992-12-01),

6. 5142222 - Integrated circuit device having signal discrimination circuit and (1992-08-25),

7. 5027005 - Logic circuit which can be selected to function as a d or t type (1991-06-25),

Title: Kazumi Ogawa: Innovator in Circuit Design

Introduction

Kazumi Ogawa is a notable inventor based in Komaki, Japan. She has made significant contributions to the field of circuit design, holding a total of 7 patents. Her work primarily focuses on creating innovative solutions for voltage regulation and signal discrimination.

Latest Patents

One of her latest patents is a constant voltage circuit designed for connection between high voltage and low voltage power sources. This circuit outputs a constant voltage signal in response to a control signal. It features a resistor circuit that includes a MOS transistor, which is activated by the control signal. Additionally, a current mirror section generates the output voltage, while a feedback section ensures the output voltage remains constant by detecting any deviations.

Another significant patent is an integrated circuit device that includes a signal discrimination circuit. This device is formed on a chip and features a pair of signal input terminals. The signal discriminating circuit compares a data signal with a reference signal to determine if the data signal's level is higher. It also includes test signal terminals and a voltage dividing circuit to generate a test signal for the signal discriminating circuit.

Career Highlights

Kazumi Ogawa has worked with prominent companies such as Fujitsu Corporation and Fujitsu VLSI Limited. Her experience in these organizations has allowed her to develop and refine her innovative ideas in circuit design.

Collaborations

Some of her notable coworkers include Masahiro Tanaka and Kazuhiro Tomita. Their collaboration has contributed to the advancement of technology in their respective fields.

Conclusion

Kazumi Ogawa's contributions to circuit design and her innovative patents highlight her role as a significant inventor in the technology sector. Her work continues to influence advancements in voltage regulation and signal processing.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]