Nagano, Japan

Kazuo Kobayashi

This inventor holds 3 USPTO granted patents. Top assignees: Kabushiki Kaisha Sankyo Seiki Seisakusho, Sankyo Seiki Mfg. Co., Ltd. Active years: 1994-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Kobayashi. Retrieved from https://idiyas.com/inventor/kazuo-kobayashi-o3qxe4f1

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Shimosuwa, JP (1994)
  • Nagano, JP (2000)

Company Filing History:


Years Active: 1994-2000

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3 patents (USPTO):Explore Patents

Title: Kazuo Kobayashi: Innovator in Optical Technology

Introduction

Kazuo Kobayashi is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on advancements that enhance the functionality and efficiency of optical devices.

Latest Patents

Kobayashi's latest patents include an innovative optical head assembly. This assembly comprises a light-emitting device and an objective lens designed to converge light onto an optical recording medium. It features a first diffraction grating that diffracts the emitted light to guide it to the objective lens. Additionally, it includes a light-receiving element and a second diffraction grating for guiding returning light back to the light-receiving element. The design incorporates first alignment marks for precise alignment of the diffraction grating with other elements.

Another significant patent is for a polarization separating element with partially polarizing properties. This element is created by forming a polydiacetylene derivative film on a glass substrate. The film is selectively irradiated with ultraviolet rays to create a grating that exhibits partially polarizing properties. This technology ensures that part of the light reflected from an optical disk reaches a receptor, allowing for reliable reproduction of recorded information, even in the presence of birefringence.

Career Highlights

Throughout his career, Kazuo Kobayashi has worked with prominent companies, including Kabushiki Kaisha Sankyo Seiki Seisakusho and Sankyo Seiki Mfg. Co., Ltd. His experience in these organizations has contributed to his expertise in optical technologies and innovations.

Collaborations

Kobayashi has collaborated with notable colleagues, including Kenichi Hayashi and Yuichi Takei. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Kazuo Kobayashi's contributions to optical technology through his patents demonstrate his commitment to innovation in this field. His work continues to influence advancements in optical devices, showcasing the importance of his inventions.

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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