Motomu Oh-Kita

This inventor holds 27 USPTO granted patents, primarily in Methacrylic Acid Production. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motomu Oh-Kita. Retrieved from https://idiyas.com/inventor/motomu-oh-kita

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

Calculating rank

USPTO Granted Patents = 27

% Patents Active = 96.3

Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 228(Granted Patents)

Location History:

Ohtake, JP (1989)
Otake, JP (1989 - 2002)
Hiroshima, JP (1989 - 2006)
Tokyo, JP (1994 - 2007)

Company Filing History:

27 out of 1,357

Mitsubishi Rayon Company, Limited

patents

Years Active: 1989-2007

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Areas of Expertise:

Methacrylic Acid

Methacrolein

Catalyst Production

Carboxylic Acid

Plastic Optical Fiber

Polymer Synthesis

Aldehyde Synthesis

Optical Fiber Cable

Methyl Methacrylate

Carrier-Supported Catalyst

N-Oxyl Compound

Unsaturated Aldehyde

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7217836 - Process for producing (meth)acrolein and/or (meth)acrylic acid (2007-05-15),

2. 7098281 - Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber (2006-08-29),

3. 6969774 - Method for producing methacrylic acid (2005-11-29),

4. 6930201 - Process for producing methacrylic acid (2005-08-16),

5. 6777083 - Plastic optical fiber, optical fiber cable, optical fiber cable with plug, method for producing methyl methacrylate based polymer and method for producing plastic optical fiber (2004-08-17),

6. 6710204 - Decreasing method of N-oxyl compound (2004-03-23),

7. 6348619 - Process for producing a carboxylic acid ester by reacting an aldehyde and an alcohol using a palladium type catalyst (2002-02-19),

8. 6346646 - Process for producing methacrolein and methacrylic acid (2002-02-12),

9. 5892108 - Method for packing with catalyst for synthesis of unsaturated aldehyde (1999-04-06),

10. 5892102 - Catalyst used in production of carboxylic acid esters and process for (1999-04-06),

11. 5550095 - Process for producing catalyst used for synthesis of methacrylic acid (1996-08-27),

12. 5532199 - Carrier-supported catalyst for the synthesis of unsaturated aldehydes (1996-07-02),

13. 5420091 - Method of preparing catalyst used for producing methacrylic acids (1995-05-30),

14. 5349092 - Process for producing catalysts for synthesis of unsaturated aldehydes (1994-09-20),

15. 5250485 - Process for preparing catalysts used for production of methacrolein and (1993-10-05),

Title: **Motomu Oh-Kita: Innovator in Methacrylates and Optical Fiber Technology**

Introduction

Motomu Oh-Kita is a distinguished inventor based in Tokyo, Japan, with a significant portfolio of 27 patents. His work primarily focuses on the production of methacrylic compounds and advancements in optical fiber technologies, contributing to various industries through innovative processes and methods.

Latest Patents

Motomu Oh-Kita's recent patents illustrate his expertise in chemical processes. One of his notable inventions is a method for producing (meth)acrolein and/or (meth)acrylic acid. This process involves vapor-phase catalytic oxidation of isobutylene or propylene in the presence of a solid oxidation catalyst within a tubular type fixed bed reactor, optimizing the temperature of a hot-spot zone to ensure high yields.

Additionally, he developed a method for producing a methyl methacrylate-based polymer, which entails feeding a monomer mixture into a reactor and polymerizing it under specific conditions to yield high-quality polymer for use in plastic optical fibers. These inventions also include improvements on plastic optical fiber transmission performance, showcasing his influence in both the chemical and communications sectors.

Career Highlights

Motomu Oh-Kita has dedicated his career to advancing chemical engineering and materials science while holding a pivotal role at Mitsubishi Rayon Company, Limited. His innovative contributions have positioned him as a significant player in the production of methacrylic materials. Oh-Kita's ability to fuse complex chemical processes with practical applications has led to considerable advancements in his field.

Collaborations

Throughout his career, Motomu has collaborated with several esteemed colleagues, including Seigo Watanabe and Toru Kuroda. Their joint efforts have fostered an environment of innovation and research, further enhancing the development of cutting-edge technologies and processes in their respective projects.

Conclusion

Motomu Oh-Kita’s contributions to the fields of chemical production and optical fiber technology underscore his role as an innovative inventor. With a growing list of patents and continued collaboration with key industry figures, Oh-Kita remains a prominent figure in the evolution of methacrylic compounds and optical fibers, ultimately benefitting a range of technological applications.

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]