Kyoto, Japan

Iwao Kojima

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Matsushita Electric Industrial Co., Ltd., Omron Corporation. Active years: 2000-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Iwao Kojima. Retrieved from https://idiyas.com/inventor/iwao-kojima

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

USPTO Granted Patents = 6 

% Patents Active = 50.0

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 47(Granted Patents)


Location History:

  • Shimogyo-ku, JP (2003)
  • Yawata, JP (2007)
  • Kyoto, JP (2000 - 2008)

Company Filing History:


Years Active: 2000-2008

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6 patents (USPTO):Explore Patents

Title: Iwao Kojima: Innovator in Amplifier Technology

Introduction

Iwao Kojima is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of electronics, particularly in amplifier technology. With a total of 6 patents to his name, Kojima has demonstrated a commitment to innovation and advancement in his field.

Latest Patents

Kojima's latest patents include a variable gain amplifier, mixer, and quadrature modulator. This variable gain amplifier features a voltage-to-current converter that transforms input voltage into current. It also includes a current amplifier that enhances the converted current, a current-to-voltage converter that changes the amplified current back into voltage, and a controller that regulates the amplification factor of the current amplifier. Another notable patent is for differential amplifier circuitry formed on a semiconductor substrate using a rewiring technique. This circuitry consists of first and second transistors that form a differential pair. The design incorporates first and second pads connected to the emitters of the transistors, which are grounded through rewiring layers.

Career Highlights

Throughout his career, Iwao Kojima has worked with notable companies such as Matsushita Electric Industrial Co., Ltd. and Omron Corporation. His experience in these organizations has contributed to his expertise in electronic innovations and patent development.

Collaborations

Kojima has collaborated with several talented individuals in his field, including Takahide Tanaka and Kentaro Mori. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

Iwao Kojima's contributions to amplifier technology and his impressive portfolio of patents highlight his role as an influential inventor in the electronics industry. His work continues to inspire future innovations in the field.

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]
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