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For the Inventor, By the Inventor

Tsukuba, Japan

Atsushi Ichikawa

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 383(Granted Patents)


Location History:

  • Tsuchiura, JP (1983)
  • Odawara, JP (1998)
  • Ibaraki, JP (1988 - 2004)
  • Tsukuba, JP (1993 - 2005)

Company Filing History:

goldMedal12 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal2 out of 329 
 
Yamanouchi Pharmaceutical Company Ltd.
 patents
bronzeMedal1 out of 1 
 
Hitahi, Ltd.
 patent
4. 1 out of 66 
 
Hitachi Computer Peripherals Co., Ltd.
 patents
5. 1 out of 13 
 
Hitachi Video and Information Systems, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1983-2005

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15 patents (USPTO):Explore Patents
1. 6870528 - Portable mobile unit (2005-03-22),
2. 6797706 - Heterocyclecarboxamide derivative (2004-09-28),
3. 6432963 - Pyrimidine-5-carboxamide derivatives (2002-08-13),
4. 5777952 - Thin bias magnet unit for magneto-optical recording device (1998-07-07),
5. 5668787 - Mark length recording system with trial writing to maximize recording (1997-09-16),
6. 5621576 - Optical head for optical memory disk recording device with elastic (1997-04-15),
7. 5537370 - Magnetooptical-disk recording and/or reproducing apparatus for a 5.25 (1996-07-16),
8. 5420832 - Half height magnetooptical-disk recording and/or reproducing apparatus (1995-05-30),
9. 5418763 - Disc recording system (1995-05-23),
10. 5412633 - Optical disk apparatus with galvanomirror having movable reflecting (1995-05-02),
11. 5220459 - Optical disk driving with inertial damping spring supporting lens holder (1993-06-15),
12. 4838649 - Apparatus for driving objective lens (1989-06-13),
13. 4786992 - Apparatus and method for controlling tape tension using acceleration and (1988-11-22),
14. 4752117 - Objective lens driving device (1988-06-21),
15. 4407462 - Web drive apparatus (1983-10-04),

Title: Atsushi Ichikawa: Innovator in Mobile Technology and Pharmaceuticals

Introduction

Atsushi Ichikawa is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the fields of mobile technology and pharmaceuticals. With a total of 15 patents to his name, Ichikawa has demonstrated a commitment to innovation and problem-solving.

Latest Patents

One of his latest inventions is a portable mobile unit designed for inputting the Japanese language. This device features an input portion with at least fourteen keys, allowing users to input letters and numerals efficiently. The design assigns five keys to the vowels of the Japanese language and nine keys to unvoiced consonants, facilitating ease of use similar to the Roman letter input method. Another notable patent is for a heterocyclecarboxamide derivative, which is a nitrogen-containing six-membered heterocyclic compound. This compound has various substituents and serves as a Syk inhibitor, showcasing Ichikawa's versatility in different scientific domains.

Career Highlights

Ichikawa has worked with notable companies such as Hitachi, Ltd. and Yamanouchi Pharmaceutical Company Ltd. His experience in these organizations has contributed to his expertise in both technology and pharmaceuticals.

Collaborations

Throughout his career, Ichikawa has collaborated with esteemed colleagues, including Akira Saito and Akio Yabe. These partnerships have likely enriched his work and led to further innovations.

Conclusion

Atsushi Ichikawa's contributions to mobile technology and pharmaceuticals highlight his innovative spirit and dedication to advancing these fields. His patents reflect a blend of creativity and practicality, making him a noteworthy figure in the world of invention.

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