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For the Inventor, By the Inventor

Tokyo, Japan

Kenji Sera

This inventor holds 16 USPTO granted patents and 2 EPO patents. Top assignee: Nec Corporation. Active years: 1994-2009.

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

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

USPTO Granted Patents = 16

% Patents Active = 75.0

 

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 116(Granted Patents)


Company Filing History:

goldMedal16 out of 36,718 
 
Nec Corporation
 patents

Years Active: 1994-2009

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16 patents (USPTO):Explore Patents
1. 7595533 - Thin film semiconductor device and manufacturing method (2009-09-29),
2. 7388625 - Thin-film transistor array substrate and liquid crystal display device (2008-06-17),
3. 7294881 - Nonvolatile semiconductor memory having a charge accumulation layer connected to a gate (2007-11-13),
4. 7224224 - Thin film semiconductor device and manufacturing method (2007-05-29),
5. 7123314 - Thin-film transistor with set trap level densities, and method of manufactures (2006-10-17),
6. 7105905 - Thin film transistor, TFT substrate and liquid crystal display unit (2006-09-12),
7. 7071040 - Method of fabricating thin film transistor (2006-07-04),
8. 7027109 - TFT array substrate and active-matrix addressing liquid-crystal display device (2006-04-11),
9. 7023015 - Thin-film semiconductor device and liquid crystal display (2006-04-04),
10. 7015084 - Method of manufacturing a field effect transistor and a liquid crystal display using the same (2006-03-21),
11. 6784456 - Field effect transistor as well as liquid crystal display using the same (2004-08-31),
12. 6559913 - Liquid crystal display device having light-shielding film and data line of equal width and manufacturing method thereof (2003-05-06),
13. 6452241 - Thin film transistor for use in liquid crystal display device and method for manufacturing the same (2002-09-17),
14. 6391747 - Method for forming polycrystalline silicon film (2002-05-21),
15. 6287898 - Thin film transistor manufacturing method (2001-09-11),

Title: The Innovations of Kenji Sera

Introduction

Kenji Sera is a distinguished inventor based in Tokyo, Japan. With an impressive portfolio of 16 patents, Sera has significantly contributed to the field of thin film semiconductor technology. His inventive work is recognized for not only advancing semiconductor devices but also enhancing their manufacturing methods.

Latest Patents

Kenji Sera's most recent patents highlight his innovative approach to improving thin film semiconductors. One of his notable patents is for a "Thin film semiconductor device and manufacturing method". This invention concerns the simultaneous introduction of P-dopant or N-dopant during the formation of n-channel and p-channel thin film transistors (TFTs) on a polycrystalline silicon film. By utilizing this method, Sera has been able to create a set of low-voltage threshold (low-VT) and high-voltage threshold (high-VT) TFTs, which enhances the performance across both logic and analog circuits.

Another key innovation is the "Thin-film transistor array substrate and liquid crystal display device". This patent involves a TFT array substrate designed with auxiliary capacitance featuring multiple lower electrodes arranged beneath each pixel TFT. This thoughtful arrangement is aimed at optimizing the electrical characteristics and improving overall display performance.

Career Highlights

Throughout his esteemed career, Kenji Sera has worked at NEC Corporation, where he has played a pivotal role in advancing semiconductor technologies. His dedication to innovation and technical expertise has solidified his reputation in the industry, making him a respected figure among his peers.

Collaborations

Sera has collaborated with various talented individuals in his field, notably Naoki Matsunaga and Hiroshi Tsuchi. These partnerships have been instrumental in fostering innovative ideas and implementing them into practical applications within the realm of thin film semiconductor devices.

Conclusion

Kenji Sera's contributions to the field of semiconductor technology through his numerous patents demonstrate his creativity and dedication to enabling advancements in this critical area. His work not only reflects his expertise but also stands as a testament to the impact of collaboration and innovation in the tech industry.

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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