Company Filing History:

19 out of 35,705

Nec Corporation

patents

3 out of 1,038

Nippon Electric Co., Ltd.

patents

1 out of 1,334

Hughes Electronics Corporation

patents

Years Active: 1978-1998

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23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5790601 - Low cost very small aperture satellite terminal (1998-08-04),

2. 5530717 - Smooth spectrum spreading with a small spreading factor (1996-06-25),

3. 5452332 - AGC circuit for burst signal (1995-09-19),

4. 5247543 - Carrier aquisition apparatus for digital satellite communication system (1993-09-21),

5. 5245612 - Spread packet communication system (1993-09-14),

6. 5157694 - Coherent PSK demodulator using bit error rate and S/N ratio to establish (1992-10-20),

7. 5148451 - Carrier regeneration device correctly operable in mobile satellite (1992-09-15),

8. 5073906 - Synchronization word detection apparatus (1991-12-17),

9. 4967413 - Burst signal detection apparatus (1990-10-30),

10. 4891598 - Variable bit rate clock recovery circuit (1990-01-02),

11. 4871975 - Carrier recovery circuit for offset QPSK demodulators (1989-10-03),

12. 4853642 - Phase controlled demodulator for digital communications system (1989-08-01),

13. 4835790 - Carrier-to-noise detector for digital transmission systems (1989-05-30),

14. 4807254 - Carrier wave recovery system (1989-02-21),

15. 4780887 - Carrier recovery circuitry immune to interburst frequency variations (1988-10-25),

Title: **Susumu Otani: Innovator in Satellite Communication Technologies**

Introduction

Susumu Otani, based in Tokyo, Japan, is a noteworthy inventor with an impressive portfolio of 23 patents. His contributions primarily focus on advancements in satellite communication technologies. Otani's innovative designs significantly enhance data transmission capabilities and system efficiencies.

Latest Patents

Among his latest patents, the "Low Cost Very Small Aperture Satellite Terminal" stands out. This invention features a remote ground terminal transmitter designed to transmit modulated data signals with a constant envelope amplitude. The system includes a data signal source and a modulator that combines received data signals with a carrier signal. Furthermore, it incorporates a power amplifier operating in saturation mode to strengthen the modulated carrier signal effectively.

Another key patent is the "Smooth Spectrum Spreading with a Small Spreading Factor." This invention is designed for spectrum spreading using a small spreading factor, typically four. It transforms an input bit sequence into a serial data sequence where each serial datum encompasses N repetitions of N consecutive bits from the input sequence. Utilizing a shift register and memory operating at varied bit rates, Otani's approach allows efficient conversion into parallel and subsequently serial data sequences.

Career Highlights

Throughout his esteemed career, Susumu Otani has contributed to several prominent companies, including NEC Corporation and Nippon Electric Company. His work at these institutions has played a crucial role in the development of cutting-edge technologies in the telecommunications sector.

Collaborations

Susumu Otani has collaborated with notable colleagues such as Motoya Iwasaki and Shousei Yoshida. These partnerships have enabled the exchange of ideas and innovations that have further propelled the advancement of satellite communication systems.

Conclusion

Susumu Otani stands out as an influential inventor in the realm of satellite communications. His remarkable patents and collaborations reflect his commitment to innovation and technological progress. As he continues to develop groundbreaking solutions, Otani's contributions will undoubtedly inspire future generations of inventors.

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