Company Filing History:

6 out of 42,496

Hitachi, Ltd.

patents

5 out of 217

Hitachi Device Engineering Co., Ltd.

patents

2 out of 3,781

Renesas Technology Corp.

5. 3 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1992-2019

Loading Chart...

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10263634 - Analog-digital converter (2019-04-16),

2. 9118337 - Analog-digital converter (2015-08-25),

3. 7212744 - Receiver circuit and transmitter circuit (2007-05-01),

4. 7177612 - Frequency generator and communication system using the same (2007-02-13),

5. 6785477 - Optical receiver using variable negative-capacitance circuit (2004-08-31),

6. 6658217 - Optical receiver (2003-12-02),

7. 6304357 - Optical receiver (2001-10-16),

8. 6075729 - High-speed static random access memory (2000-06-13),

9. 5523966 - Memory cell and a memory device having reduced soft error (1996-06-04),

10. 5448527 - Decoder and driver for use in a semiconductor memory (1995-09-05),

11. 5402377 - Semiconductor memory device having a controlled auxiliary decoder (1995-03-28),

12. 5163022 - Semiconductor cell memory with current sensing (1992-11-10),

13. 5086414 - Semiconductor device having latch means (1992-02-04),

Title: Kenichi Ohhata - Innovator in Analog-Digital Conversion Technology

Introduction

Kenichi Ohhata, based in Kagoshima, Japan, is a distinguished inventor with a remarkable portfolio of 13 patents, primarily focusing on advancements in analog-digital conversion technologies. His innovative contributions have significantly impacted the field, leading to more efficient and compact data processing methods.

Latest Patents

Ohhata's latest patents revolve around state-of-the-art analog-digital converters. One notable patent details an innovative method where AD conversion is accomplished using a combination of parallel and single-slope conversion techniques. This hybrid approach employs several comparators to analyze an analog input signal, translating it into a digital output with high accuracy and speed while maintaining low power consumption. The second patent further enhances parallel-type AD converters by implementing a resistor ladder circuit designed to mitigate noise currents generated by comparators, thereby improving conversion accuracy while reducing power requirements.

Career Highlights

Throughout his impactful career, Kenichi Ohhata has been associated with prominent companies, including Hitachi, Ltd. and Hitachi Device Engineering Co., Ltd. His work at these esteemed organizations has allowed him to refine his expertise in electronic engineering and contribute to cutting-edge technologies in the field.

Collaborations

Ohhata's innovative journey has seen him collaborate with notable peers, including Hiroaki Nambu and Kazuo Kanetani. These collaborations have fostered a dynamic exchange of ideas and advancements that continue to push the boundaries of technology in analog-digital conversion.

Conclusion

Kenichi Ohhata's contributions to the realm of analog-digital conversion exemplify the power of innovation and collaborative efforts in advancing technology. His extensive patent portfolio reflects a commitment to improving efficiency and accuracy, and his work continues to inspire future developments in the field.

This text is generated by artificial intelligence and may not be accurate.

Please report any incorrect information to support@idiyas.com