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For the Inventor, By the Inventor

Toyonaka, Japan

Masaaki Yokoyama

This inventor holds 8 USPTO granted patents. Top assignees: Mita Industrial Co., Ltd., Nippon Paint Compnay, Ltd., Toagosei Chemical Industry, Co., Ltd.. Active years: 1992-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Yokoyama. Retrieved from https://idiyas.com/inventor/masaaki-yokoyama

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 116(Granted Patents)


Company Filing History:

goldMedal4 out of 1,344 
 
Mita Industrial Co., Ltd.
 patents
silverMedal2 out of 827 
 
Nippon Paint Compnay, Ltd.
 patents
bronzeMedal2 out of 72 
 
Toagosei Chemical Industry, Co., Ltd.
 patents

Years Active: 1992-1999

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8 patents (USPTO):Explore Patents
1. 5863679 - Method for forming thin film pattern (1999-01-26),
2. 5391442 - Method of forming color pattern on a polysilane layer (1995-02-21),
3. 5312713 - Information recording medium and information recording method (1994-05-17),
4. 5264266 - Information recording medium including an organic polysilane and an oxo (1993-11-23),
5. 5262260 - Photoreceptor containing carrier transport with polysilane and phenylene (1993-11-16),
6. 5213923 - Photosensitive material for electrophotography comprising a charge (1993-05-25),
7. 5184895 - Optical sensor and thermal sensor (1993-02-09),
8. 5130214 - Method for producing electrophotographic photoreceptor and apparatus (1992-07-14),

Title: Masaaki Yokoyama: Innovator in Thin Film Technology

Introduction

Masaaki Yokoyama is a prominent inventor based in Toyonaka, Japan. He has made significant contributions to the field of thin film technology, holding a total of 8 patents. His innovative methods have paved the way for advancements in various applications, particularly in the manufacturing of color filters.

Latest Patents

Yokoyama's latest patents include a method for forming a thin film pattern that boasts excellent accuracy. This method involves a series of steps designed to enhance precision in pattern formation. Another notable patent is his method of forming a color pattern on a polysilane layer. This process is not only simple but also cost-effective, allowing for the production of RGB color filters with superior pattern precision.

Career Highlights

Throughout his career, Masaaki Yokoyama has worked with reputable companies such as Mita Industrial Co., Ltd. and Nippon Paint Company, Ltd. His experience in these organizations has contributed to his expertise in thin film technology and innovation.

Collaborations

Yokoyama has collaborated with notable individuals in his field, including Mikio Kakui and Hiroshi Tsushima. These partnerships have further enriched his work and expanded the impact of his inventions.

Conclusion

Masaaki Yokoyama's contributions to thin film technology and his innovative patents highlight his role as a key figure in the industry. His work continues to influence advancements in manufacturing processes and product development.

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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