YN

Yumi Nakagawa

Chevron: 31 patents #96 of 4,788Top 3%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
🗺 California: #15,031 of 386,348 inventorsTop 4%
Overall (All Time): #109,017 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
6540903 Hydrocarbon conversion with zeolite SSZ-47 Gregory S. Lee, Stacey I. Zones 2003-04-01
6444191 Zeolite ZSM-11 and a process for preparing zeolite ZSM-11 using a 3,5-dimethylpiperidinium templating agent 2002-09-03
6348183 Zeolite SSZ-47 Gregory S. Lee, Stacey I. Zones 2002-02-19
6313913 Surface inspection apparatus and method Koichiro Komatsu 2001-11-06
6290922 Zoelite SSZ-47 Gregory S. Lee, Stacey I. Zones 2001-09-18
6218591 Zeolite SSZ-36 Gregory S. Lee, Stacey I. Zones, Susan T. Evans 2001-04-17
6156290 Zeolite SSZ-47 Gregory S. Lee, Stacey I. Zones 2000-12-05
6086848 Process for preparing zeolites using substituted-piperidinium cations Gregory S. Lee, Stacey I. Zones 2000-07-11
5968474 Pure phase titanium-containing zeolite having MEL structure, process for preparing same, and oxidation processes using same as catalyst Chris Dartt 1999-10-19
5965104 Zeolite SSZ-43 Gregory S. Lee, Richard N. Reynolds, Jr. 1999-10-12
5958370 Zeolite SSZ-39 Stacey I. Zones, Susan T. Evans, Gregory S. Lee 1999-09-28
5939044 Zeolite SSZ-36 Susan T. Evans, Gregory S. Lee, Stacey I. Zones 1999-08-17
5911968 Method for making zeolite SSZ-44 1999-06-15
5856868 Foreign substance inspecting apparatus and method thereof Kinya Kato 1999-01-05
5785947 Preparation of zeolites using organic template and amine Stacey I. Zones 1998-07-28
5707601 Process for preparing zeolites having MTT crystal structure using small, neutral amines 1998-01-13
5707600 Process for preparing medium pore size zeolites using neutral amines Stacey I. Zones 1998-01-13
5683572 Zeolite SSZ-44 1997-11-04
5645812 Zeolite ZSM-11 and a process for preparing zeolite ZSM-11 using a 3,5-dimethylpiperidinium templating agent 1997-07-08
5641393 High-silica zeolite SSZ-37 and methods of making and using same 1997-06-24
5580540 Zeolite SSZ-44 1996-12-03
5501848 Method for preparing crystalline aluminophosphate materials using azapolycyclic templating agents 1996-03-26
5425933 Method for preparing crystalline materials using heterobridged aza-polycyclic templating agents 1995-06-20
5391287 Hydrocarbon conversion process using zeolite SSZ-35 1995-02-21
5340563 Preparation of zeolites using low silica/alumina zeolites as a source of aluminum Stacey I. Zones 1994-08-23