Company Filing History:

19 out of 5,729

Olympus Optical Company, Ltd.

patents

9 out of 2,861

Pioneer Electronic Corporation

patents

1 out of 164,108

International Business Machines Corporation

patents

Years Active: 1978-2025

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29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12406022 - Data augmentation for machine learning (2025-09-02),

2. 5805545 - Midi standards recorded information reproducing device with repetitive (1998-09-08),

3. 5142959 - Midi control apparatus and midi system (1992-09-01),

4. 4750163 - Pick-up head abnormality detector for optical recording/reproducing (1988-06-07),

5. 4683560 - Microprocessor controlled focussing servo acquisition (1987-07-28),

6. D288558 - Optical pickup for use in optical discs (1987-03-03),

7. 4644514 - Head drive control apparatus (1987-02-17),

8. 4631712 - Optical disk apparatus with beam energy correction for deviations in (1986-12-23),

9. 4611317 - Optical disk apparatus (1986-09-09),

10. 4611316 - Actuator operating center detecting circuit and optical disk apparatus (1986-09-09),

11. 4607359 - Optical recording/reproducing apparatus (1986-08-19),

12. 4577320 - Light power controlling apparatus (1986-03-18),

13. 4574371 - Apparatus for recording and reproducing information on an optical disc (1986-03-04),

14. 4545651 - Optical system for synthesizing plural light beams (1985-10-08),

15. 4539697 - FM Stereo demodulating circuit (1985-09-03),

Title: The Innovative Contributions of Masaharu Sakamoto

Introduction: Masaharu Sakamoto, based in Tokyo, Japan, has made impressive strides in the field of technology and music. With a portfolio of 28 patents, Sakamoto has carved out a niche for himself as a leading inventor in sound reproduction systems. His work has greatly impacted the karaoke and musical instrument industries.

Latest Patents: Among his notable inventions, Sakamoto designed a MIDI standards recorded information reproducing device tailored for karaoke systems. This device is engineered to reproduce sound information from various recording media such as CDs and laser video disks, adhering to MIDI (Musical Instrument Digital Interface) standards. Furthermore, this invention allows users to practice along with music, offering synchronized playback for an enhanced karaoke experience. Another significant invention includes a MIDI control apparatus and system that provides operational signals to MIDI instruments, managing play states to prevent disruptions in sound output during recording playback. Such innovations showcase Sakamoto's commitment to advancing musical technology.

Career Highlights: Sakamoto has contributed to reputable companies in the electronic and optical sectors. He worked at Olympus Optical Company, Ltd. and Pioneer Electronic Corporation, where his skills in technology and innovation flourished. His work in these organizations paved the way for the development of advanced sound reproduction technologies.

Collaborations: During his career, Sakamoto collaborated with talented individuals such as Kiichi Kato and Ken Ohshima. Their combined expertise enabled the creation of groundbreaking inventions in their field, reinforcing the importance of teamwork in technological advancements.

Conclusion: Masaharu Sakamoto's contributions to innovation in sound reproduction demonstrate his dedication and creativity as an inventor. His 28 patents reflect a deep understanding of musical technology and a commitment to enhancing the user experience in karaoke and MIDI applications. With a rich career history and impactful collaborations, Sakamoto continues to influence the intersection of technology and music.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.