Hisashi Adachi

This inventor holds 77 USPTO granted patents and 1 published patent application and 5 EPO patents, primarily in Radio Communication (CPC class H03F). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 1993-2016.

USPTO Granted Patents = 77 (Patent Applications = 1)

% Patents Active = 58.4

EPO Patents = 5 (Patent Applications = 2)

Average Co-Inventor Count = 2.9

ph-index = 15

Forward Citations = 746(Granted Patents)

Forward Citations (Not Self Cited) = 735(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Minou, JP (1997 - 1998)
Minoo, JP (1993 - 2006)
Mino, JP (1996 - 2011)
Osaka, JP (1999 - 2016)

Company Filing History:

52 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

25 out of 16,454

Panasonic Corporation

patents

Years Active: 1993-2016

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Areas of Expertise:

Power Amplification

Transmitter Circuit

Radio Communication

Modulation Circuit

Data Converter

Frequency Modulation

Delta-Sigma Modulator

Wireless Communication

Phase Modulation

Signal Generator

Voltage-Controlled Oscillator

Clock Signal Generation

77 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9479127 - Power amplification apparatus and control method (2016-10-25),

2. 9240812 - Power amplification device and transmitter (2016-01-19),

3. 9148089 - Transmitting apparatus and transmission method (2015-09-29),

4. 9130610 - Transmission apparatus and transmission method (2015-09-08),

5. 7973609 - Digitally-controlled oscillator, frequency synthesizer and radio communication device (2011-07-05),

6. 7944994 - Data converter and data conversion method, and transmitter circuit, communications device and electronic device using the same (2011-05-17),

7. 7925226 - Transmission circuit (2011-04-12),

8. 7876170 - Frequency modulator, frequency modulating method, and wireless circuit (2011-01-25),

9. 7855668 - Delta sigma A/D modulator (2010-12-21),

10. 7855588 - Clock signal generation apparatus (2010-12-21),

11. 7817725 - Data converter device and data conversion method, and transmitter circuit, communications device and electronic device using the same (2010-10-19),

12. 7777663 - Discrete time amplifier circuit and analong-digital converter (2010-08-17),

13. 7725082 - Radio communication apparatus, radio communication method, antenna apparatus and first duplexer (2010-05-25),

14. 7702299 - Modulation circuit device, modulation method and radio communication device (2010-04-20),

15. 7696830 - Digital controlled oscillator, frequency synthesizer, radio communication apparatus using the same, and control method for the same (2010-04-13),

Title: The Innovative Journey of Hisashi Adachi

Introduction: Hisashi Adachi is a renowned inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hisashi Adachi holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Adachi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs.

Collaborations: Throughout his career, Hisashi Adachi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hisashi Adachi's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazer in the world of inventions and patents.