Kawakami; Yasufumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kawakami; Yasufumi.The latest application filed is for "method for producing silicon single crystal".

Company Profile

6.6.9

Kawakami; Yasufumi - Nagasaki JP
Kawakami; Yasufumi - Tokyo JP
Kawakami; Yasufumi - Higashihiroshima JP
KAWAKAMI; Yasufumi - Higashihiroshima-shi JP
KAWAKAMI; Yasufumi - Higashihiroshima-city JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
N-type silicon single crystal production method, n-type silicon single crystal ingot, silicon wafer, and epitaxial silicon wafer Grant 11,377,755 - Maegawa , et al. July 5, 2	2022-07-05
Method for producing silicon single crystal Grant 11,242,617 - Maegawa , et al. February 8, 2	2022-02-08
Method For Producing Silicon Single Crystal App 20210040642 - KAWAKAMI; Yasufumi ; et al.	2021-02-11
Method for manufacturing silicon single crystal, flow straightening member, and single crystal pulling device Grant 10,916,425 - Ogawa , et al. February 9, 2	2021-02-09
N-type Silicon Single Crystal Production Method, N-type Silicon Single Crystal Ingot, Silicon Wafer, And Epitaxial Silicon Wafer App 20200224329 - MAEGAWA; Koichi ; et al.	2020-07-16
Back window part seal structure for vehicle with retractable roof Grant 10,661,642 - Sawahata , et al.	2020-05-26
N-type Silicon Single Crystal Production Method, N-type Silicon Single Crystal Ingot, Silicon Wafer, And Epitaxial Silicon Wafer App 20200141024 - MAEGAWA; Koichi ; et al.	2020-05-07
Single Crystal Silicon Production Method, Epitaxial Silicon Wafer Production Method, Single Crystal Silicon, And Epitaxial Silic App 20200135460 - NARUSHIMA; Yasuhito ; et al.	2020-04-30
Method For Producing Silicon Single Crystal App 20200087814 - MAEGAWA; Koichi ; et al.	2020-03-19
Method For Manufacturing Silicon Single Crystal, Flow Straightening Member, And Single Crystal Pulling Device App 20200027732 - OGAWA; Fukuo ; et al.	2020-01-23
Roof structure of automotive vehicle Grant 10,525,806 - Sawahata , et al. J	2020-01-07
Back Window Part Seal Structure For Vehicle With Retractable Roof App 20190152306 - SAWAHATA; Koji ; et al.	2019-05-23
Roof structure of automotive vehicle Grant 10,183,561 - Matsumoto , et al. Ja	2019-01-22
Roof Structure Of Automotive Vehicle App 20180334019 - MATSUMOTO; Kouichi ; et al.	2018-11-22
Roof Structure Of Automotive Vehicle App 20170267080 - MATSUMOTO; Kouichi ; et al.	2017-09-21

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