Hirasawa; Hideo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirasawa; Hideo.The latest application filed is for "glass base material manufacturing apparatus and method thereof".

Company Profile

0.23.25

Hirasawa; Hideo - Gunma-ken JP
Hirasawa; Hideo - Annaka JP
Hirasawa, Hideo - Annaka-Shi JP
Hirasawa, Hideo - Gunma 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
Method of making glass base material Grant 7,823,418 - Shimada , et al. November 2, 2	2010-11-02
Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereof Grant 7,752,869 - Otosaka , et al. July 13, 2	2010-07-13
Glass base material producing device Grant 7,213,416 - Shimada , et al. May 8, 2	2007-05-08
Glass base material manufacturing apparatus and method thereof App 20060213229 - Shimada; Tadakatsu ; et al.	2006-09-28
Glass base material packing method Grant 7,093,412 - Nagao , et al. August 22, 2	2006-08-22
Apparatus for fabricating soot preform for optical fiber Grant 7,082,791 - Inoue , et al. August 1, 2	2006-08-01
Glass base material manufacturing apparatus and glass base material manufacturing method Grant 7,055,345 - Tobisaka , et al. June 6, 2	2006-06-06
Method for manufacturing glass-base-material by measuring the weight of the material Grant 6,988,382 - Takei , et al. January 24, 2	2006-01-24
Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereof App 20050229639 - Otosaka, Tetsuya ; et al.	2005-10-20
Apparatus For Fabricating Soot Preform For Optical Fiber App 20050210925 - Inoue, Dai ; et al.	2005-09-29
Apparatus and method for manufacturing glass-base-material Grant 6,941,772 - Takei , et al. September 13, 2	2005-09-13
Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same App 20050147367 - Shimada, Tadakatsu ; et al.	2005-07-07
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20050132753 - Shimizu, Yoshiaki ; et al.	2005-06-23
Apparatus and method for manufacturing glass-base-material App 20050109064 - Takei, Junichiro ; et al.	2005-05-26
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus Grant 6,848,276 - Shimizu , et al. February 1, 2	2005-02-01
Glass base material for optical fiber and manufacturing method thereof where absorption by hydroxyl groups is reduced App 20040200241 - Otosaka, Tetsuya ; et al.	2004-10-14
Glass rod manufacturing method and glass rod manufacturing apparatus App 20040177652 - Yamamura, Waichi ; et al.	2004-09-16
Method of making an optical fiber preform where a second elongation is based on a mark on a glass rod Grant 6,779,362 - Shimizu , et al. August 24, 2	2004-08-24
Straightening a glass rod for use in making an optical fiber preform Grant 6,742,363 - Yamamura , et al. June 1, 2	2004-06-01
Apparatus for preventing redeposition of silica during flame severing Grant 6,735,986 - Suzuki , et al. May 18, 2	2004-05-18
Apparatus for manufacturing glass base material and a method for manufacturing glass base material Grant 6,698,240 - Tsumura , et al. March 2, 2	2004-03-02
Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereof App 20040028362 - Otosaka, Tetsuya ; et al.	2004-02-12
OVD apparatus including air-regulating structure Grant 6,672,112 - Tobisaka , et al. January 6, 2	2004-01-06
Glass base material producing device and glass base material producing method App 20030233849 - Shimada, Tadakatsu ; et al.	2003-12-25
Lower-loss base material for optical fibres and manufacturing method thereof App 20030221460 - Inoue, Dai ; et al.	2003-12-04
Glass base material drawing apparatus and method for drawing glass base material Grant 6,640,589 - Sakashita , et al. November 4, 2	2003-11-04
Apparatus for melting an optical fiber preform App 20030126891 - Suzuki, Shinji ; et al.	2003-07-10
Glass base material manufacturing apparatus and glass base material manufacturing method App 20030126893 - Tobisaka, Yuuji ; et al.	2003-07-10
Glass base material manufacturing apparatus and glass base material manufacturing method App 20030121290 - Tobisaka, Yuuji ; et al.	2003-07-03
Method and apparatus for fusing an optical fiber preform Grant 6,532,776 - Suzuki , et al. March 18, 2	2003-03-18
Apparatus and method for manufacturing glass-base-material App 20030005726 - Takei, Junichiro ; et al.	2003-01-09
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20020152772 - Shimizu, Yoshiaki ; et al.	2002-10-24
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20020148257 - Shimizu, Yoshiaki ; et al.	2002-10-17
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20020144520 - Shimizu, Yoshiaki ; et al.	2002-10-10
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20020139148 - Shimizu, Yoshiaki ; et al.	2002-10-03
Optical fiber manufacture method, preform manufacture method, and preform manufacture apparatus App 20020139149 - Shimizu, Yoshiaki ; et al.	2002-10-03
Optical fiber base material ingot and method for producing the same App 20020100295 - Terashima, Masami ; et al.	2002-08-01
Optical Fiber Base Material Ingot And Method For Producing The Same App 20020059815 - TERASHIMA, MASAMI ; et al.	2002-05-23
Optical fiber manufacture method including elongating a preform in a vertical direction and a horizontal direction Grant 6,386,001 - Shimizu , et al. May 14, 2	2002-05-14
Apparatus for fabricating soot preform for optical fiber App 20020043079 - Inoue, Dai ; et al.	2002-04-18
Optical fiber base material ingot and method for producing the same App 20010054302 - Terashima, Masami ; et al.	2001-12-27
Method And Apparatus For Producing A Glass Base Material For An Optical Fiber App 20010013232 - NAKASHIMA, YASUHIRO ; et al.	2001-08-16
Apparatus and method for drawing a glass ingot Grant 6,220,057 - Yamamura , et al. April 24, 2	2001-04-24
Method of stretching an optical fiber preform with monitoring the diameter at two locations Grant 6,178,778 - Kenmochi , et al. January 30, 2	2001-01-30
Method for drawing a glass ingot Grant 6,134,922 - Shimada , et al. October 24, 2	2000-10-24
Method for making a preform for optical fibers by drawing a mother ingot Grant 6,131,414 - Shimizu , et al. October 17, 2	2000-10-17
Method for pulling-up a porous silica glass preform Grant 5,425,795 - Koide , et al. June 20, 1	1995-06-20
Preparation of a preform of optical fibers Grant 5,366,531 - Koide , et al. November 22, 1	1994-11-22

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.