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For the Inventor, By the Inventor

Tokyo, Japan

Yoshihiro Shona

This inventor holds 14 USPTO granted patents and 1 published patent application. Top assignees: Oki Electric Industry Co., Ltd., Casio Computer Co., Ltd., Oki Semiconductor Co., Ltd.. Active years: 1995-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Shona. Retrieved from https://idiyas.com/inventor/yoshihiro-shona

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

USPTO Granted Patents = 14 

% Patents Active = 85.7

Average Co-Inventor Count = 1.2

ph-index = 6

Forward Citations = 168(Granted Patents)


Company Filing History:

goldMedal13 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
silverMedal1 out of 5,234 
 
Casio Computer Co., Ltd.
 patents
bronzeMedal1 out of 707 
 
Oki Semiconductor Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1995-2009

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14 patents (USPTO):Explore Patents
1. 7526601 - Data rewriting method for flash memory using partial erases (2009-04-28),
2. 7093063 - Data rewriting for flash memory (2006-08-15),
3. 7079573 - Apparatus and method for receiving and transmitting serial data (2006-07-18),
4. 6614672 - Voltage generator (2003-09-02),
5. 6314155 - Counting circuit with rewritable non-volatile memory, and counting method (2001-11-06),
6. 6299069 - Integrated circuit for embedding in smart cards, and method of issuing smart cards (2001-10-09),
7. 6272031 - Voltage generator (2001-08-07),
8. 6104625 - Voltage generator (2000-08-15),
9. 6018581 - Communication system and communication method (2000-01-25),
10. 6003768 - Call-unit count device (1999-12-21),
11. 5799085 - Method of effecting mutual authentication (1998-08-25),
12. 5790885 - Method for controlling IC card reader/writer to transmit same character (1998-08-04),
13. 5592619 - High-security IC card (1997-01-07),
14. 5442165 - Secure IC card system with reusable prototype IC card (1995-08-15),

Title: Innovations by Yoshihiro Shona

Introduction

Yoshihiro Shona is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of data storage technology, holding a total of 14 patents. His work focuses on improving the efficiency of flash memory systems, which are widely used in various electronic devices.

Latest Patents

One of his latest patents is a data rewriting method for flash memory using partial erases. This innovative data storage apparatus includes a flash memory and a control unit that manages the rewriting of data. The flash memory is divided into sectors, each of which can be completely erased in a time T. During a rewriting operation, multiple sectors are erased simultaneously for a time U, which is less than T. New data is then written in a sector that has undergone multiple erasures and is now fully erased. This method allows for a reduction in the duration of each rewriting operation, as the erasing process lasts for time U instead of time T.

Career Highlights

Yoshihiro Shona has worked with notable companies such as Oki Electric Industry Co., Ltd. and Casio Computer Co., Ltd. His experience in these organizations has contributed to his expertise in data storage technologies and innovation.

Collaborations

Some of his coworkers include Kazuya Kawano and Masaharu Kizaki. Their collaboration has likely fostered an environment of creativity and innovation in their respective projects.

Conclusion

Yoshihiro Shona's contributions to the field of data storage technology through his patents and collaborations highlight his role as a significant inventor. His innovative methods for improving flash memory efficiency continue to impact the industry positively.

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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