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For the Inventor, By the Inventor

Hyogo, Japan

Kenji Inoue

This inventor holds 62 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Optical Chemistry (CPC class C07C). Top assignees: Kaneka Corporation, Matsushita Electric Industrial Co., Ltd., Kanegafuchi Chemical Industry Co., Ltd.. Active years: 1978-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Inoue. Retrieved from https://idiyas.com/inventor/kenji-inoue-xt8e8sv2

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

USPTO Granted Patents = 62 

% Patents Active = 74.2


Average Co-Inventor Count = 3.4

ph-index = 11

Forward Citations = 599(Granted Patents)

Forward Citations (Not Self Cited) = 593(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kobe, JP (1990 - 1991)
  • Kako, JP (1992)
  • Kakagawa, JP (1993)
  • Hirakata, JP (1978 - 1994)
  • Nishinomiya, JP (1995 - 2000)
  • Kakogawa, JP (1993 - 2006)
  • Osaka, JP (2001 - 2011)
  • Hyogo, JP (1991 - 2012)
  • Takasago, JP (1987 - 2015)

Company Filing History:

goldMedal34 out of 1,773 
 
Kaneka Corporation
 patents
silverMedal11 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
bronzeMedal5 out of 109 
 
Kanegafuchi Chemical Industry Co., Ltd.
 patents
4. 5 out of 698 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
 patents
5. 5 out of 16,454 
 
Panasonic Corporation
 patents
6. 1 out of 1 
 
Idec Izuni Corporation
 patent
7. 1 out of 2 
 
Kanegafuchi Kagaku Kogyo K.k.
 patents
8. 1 out of 512 
 
Takasago International Corporation
 patents
where one patent can have more than one assignee

Years Active: 1978-2015

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Areas of Expertise:
Optically Active Derivatives
Composite Lenses
Hybrid Optical Elements
Amino Acid Derivatives
Carboxylic Acid Derivatives
Optical Devices
Hydrogenation Processes
Dioxane Derivatives
Printing Sheets
Azetidine Compounds
Carbonyl Reduction
Simvastatin Production
62 patents (USPTO):Explore Patents
1. 8993800 - Process for producing optically active α-methylcysteine derivative (2015-03-31),
2. 8134788 - Hybrid optical element (2012-03-13),
3. 8111470 - Composite lens and method for manufacturing the same (2012-02-07),
4. 8049127 - Touch panel (2011-11-01),
5. 8013193 - Method for producing alcohol by hydrogenating lactone and carboxylic acid ester in liquid phase (2011-09-06),
6. 7826152 - Composite optical device (2010-11-02),
7. 7804491 - Touch panel (2010-09-28),
8. 7582781 - Optically active halohydrin derivative and process for producing optically active epoxy alcohol derivative from the same (2009-09-01),
9. RE39333 - Process for the preparation of 5-hydroxy-3-oxopentanoic acid derivatives (2006-10-09),
10. 7109352 - Process for producing optically active amino acid derivatives (2006-09-19),
11. 7094926 - Process for producing optically active carboxylic acid substituted in 2-position (2006-08-22),
12. 7094594 - Process for preparing optically active 2-[6-(hydroxy-methyl)-1,3-dioxan-4-yl] acetic acid derivatives (2006-08-22),
13. 6998495 - Method for producing optically active 3,5-dihydroxycarboxylic acid derivative (2006-02-14),
14. 6903225 - Process for producing optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivatives (2005-06-07),
15. 6720449 - Process for preparing optically active amino acid derivatives (2004-04-13),

Title: Kenji Inoue: Innovator in Pharmaceutical and Optical Technologies

Introduction

Kenji Inoue is a prominent inventor based in Hyogo, Japan, with an impressive portfolio of 62 patents. His work spans the fields of pharmaceuticals and optical technologies, demonstrating his versatility and commitment to innovation.

Latest Patents

Two of Kenji Inoue's latest patents exemplify his innovative approach. The first patent, titled "Process for Producing Optically Active α-Methylcysteine Derivative," presents a simple and industrially viable method for producing L- or D-optically active α-methylcysteine derivatives. This process utilizes readily available, cost-effective raw materials, highlighting its practicality for pharmaceutical applications. The second patent, "Hybrid Optical Element," describes a unique optical component that combines a glass substrate with specifically designed surfaces and a bonded resin layer. This hybrid optical element showcases advanced engineering with controlled surface roughness, essential for various optical applications.

Career Highlights

Throughout his career, Kenji Inoue has worked with esteemed organizations including Kaneka Corporation and Matsushita Electric Industrial Co., Ltd. His contributions to these companies have significantly advanced technology in his fields of expertise, ensuring that practical applications arise from his inventive processes.

Collaborations

Inoue's collaborative efforts include working alongside notable colleagues such as Satomi Takahashi and Akira Nishiyama. Together, they have fostered an environment of innovation and creativity, driving advancements in their respective areas.

Conclusion

Kenji Inoue's extensive patent portfolio and his contributions to significant companies showcase his exceptional talent as an inventor. His latest patents reflect a dedication to developing solutions that are both innovative and applicable in real-world settings. His work continues to influence the fields of pharmaceuticals and optical technologies, making him a key figure in the innovation landscape.

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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