Company Filing History:

77 out of 131,214

Samsung Electronics Co., Ltd.

Years Active: 2001-2009

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79 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7534540 - Azine-based charge transport materials having two reactive rings (2009-05-19),

2. 7521162 - Organophotoreceptor with a charge transport material having two epoxidated-carbazolyl groups (2009-04-21),

3. 7501216 - Azine-based charge transport materials (2009-03-10),

4. 7479357 - Electrophotographic organophotoreceptors with novel charge transport materials (2009-01-20),

5. 7445877 - Charge transport materials having a central disulfane linkage (2008-11-04),

6. 7432028 - Polymeric charge transport compositions (2008-10-07),

7. 7427460 - Hydrazone-based charge transport materials having an ethylenically unsaturated group (2008-09-23),

8. 7358014 - Electrophotographic organophotoreceptors with novel charge transport compounds (2008-04-15),

9. 7354687 - Dry toner blended with wax (2008-04-08),

10. 7351508 - Organophotoreceptors with a charge transport material having multiple vinyl-containing hydrazone groups (2008-04-01),

11. 7348116 - Aromatic heterocyclic-based charge transport materials having two amino groups (2008-03-25),

12. 7348112 - Polymeric charge transport materials having repeating units comprising an aromatic group and a —S— linkage (2008-03-25),

13. 7329722 - Polymeric charge transport materials having carbazolyl repeating units (2008-02-12),

14. 7326506 - Bridged charge transport materials having a central sulfur atom linkage (2008-02-05),

15. 7320849 - Organophotoreceptor with a charge transport material having two epoxidated-hydrazone groups (2008-01-22),

Title: The Innovative Journey of Zbigniew Tokarski: A Pioneer in Charge Transport Materials

Introduction: Zbigniew Tokarski, based in Woodbury, MN, is a distinguished inventor with an impressive portfolio of 79 patents. His innovative contributions primarily focus on advancements in charge transport materials and organophotoreceptors, impacting the field of electrophotography significantly.

Latest Patents: Tokarski's latest patents showcase his dedication to innovation. One notable invention involves azine-based charge transport materials featuring two reactive rings. This improved organophotoreceptor is characterized by an electrically conductive substrate complemented by a photoconductive element. This element further includes a polymeric charge transport material, enhancing the functionalities of electrophotographic apparatuses and imaging methods. Another significant patent highlights an organophotoreceptor with charge transport material possessing two epoxidated-carbazolyl groups, emphasizing improvements in the integration of conductive substrates and photoconductive elements.

Career Highlights: Throughout his career, Tokarski has been associated with prominent companies, including Samsung Electronics Co., Ltd. and Imation Corporation. His contributions to these organizations significantly influenced the development of next-generation imaging technologies and materials, establishing him as a leading figure in his field.

Collaborations: Collaborations play a vital role in Tokarski's innovative journey. Notable coworkers, including Nusrallah Jubran and Kam Wah Law, have partnered with him on various projects, fostering a dynamic environment for creativity and technological advancements.

Conclusion: Zbigniew Tokarski's enduring commitment to innovation in charge transport materials and organophotoreceptors is evident in his extensive patent portfolio. His collaborations and contributions to leading companies have positioned him as a key inventor in the field, inspiring future generations of researchers and inventors.

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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.