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For the Inventor, By the Inventor

Hitachiota, Japan

Kishiro Iwasaki

USPTO Granted Patents = 16

Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 194(Granted Patents)


Location History:

  • Hitachiota, JA (1977)
  • Hitachiohta, JP (1986 - 1987)
  • Hitachi-oota, JP (1988 - 1995)
  • Hitachiota, JP (1984 - 2009)

Company Filing History:

goldMedal16 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1977-2009

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16 patents (USPTO):
1. 7615260 - Active-matrix liquid crystal display (2009-11-10),
2. 6756089 - Active-matrix liquid crystal display (2004-06-29),
3. 6242060 - Active-matrix liquid crystal display (2001-06-05),
4. 5928733 - Active-matrix liquid crystal display (1999-07-27),
5. 5561659 - Optical information recording medium (1996-10-01),
6. 5460914 - Toner, method for manufacturing same, and imaging apparatus using same (1995-10-24),
7. 5281512 - Optical information recording medium (1994-01-25),
8. 5020883 - Ferroelectric liquid crystal device (1991-06-04),
9. 4781439 - Liquid crystal polyimide alignment free of scattering domains (1988-11-01),
10. 4759614 - Ferroelectric liquid crystal element with particular alignment film and (1988-07-26),
11. 4653866 - Liquid crystal compound and liquid crystal composition including the same (1987-03-31),
12. 4634228 - Ferroelectric liquid crystal cell with rubbed polyimide alignment layer (1987-01-06),
13. 4586791 - Optical modulation element with surface parallel and unidirectional (1986-05-06),
14. 4472028 - Organosilicone homeotropic alignment layer with OH group (1984-09-18),
15. 4469409 - Homogeneous alignment layer for liquid crystal display device (1984-09-04),

Title: Kishiro Iwasaki: Innovator in Liquid Crystal Display Technology

Introduction

Kishiro Iwasaki is a prominent inventor based in Hitachiota, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology, holding a total of 16 patents. His work has been instrumental in advancing the capabilities and applications of LCD devices.

Latest Patents

Iwasaki's latest patents focus on active-matrix liquid crystal display devices. One of his notable inventions includes a device that features a pair of substrates with a liquid crystal layer positioned between them. This device incorporates a group of electrodes that apply an electric field parallel to the substrate plane. Additionally, it includes a plural number of active elements formed on one of the substrates, along with an alignment layer made from polyamic acid. This alignment layer is created by reacting a diamine with an acid anhydride, which can include various dianhydrides. Another patent describes an active-matrix liquid crystal display device that utilizes a photo-reactive material layer as the alignment layer. This layer undergoes linearly polarized light irradiation to achieve a specific tilt angle of liquid crystal molecules.

Career Highlights

Kishiro Iwasaki is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to explore and develop advanced technologies in the field of liquid crystal displays. His contributions have not only enhanced the performance of LCDs but have also paved the way for new applications in various industries.

Collaborations

Iwasaki has collaborated with notable colleagues such as Hisao Yokokura and Katsumi Kondo. These collaborations have fostered a creative environment that has led to innovative solutions in LCD technology.

Conclusion

Kishiro Iwasaki's contributions to liquid crystal display technology have made a lasting impact on the industry. His innovative patents and collaborations continue to influence advancements in display technologies.

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