Osaki Electric Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 5200
 
 
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7321463 In-line optical isolatorJun 23, 04Jan 22, 08[G02B]
7043119 Fiber collimator arrayMay 23, 03May 09, 06[G02B]
6862383 Arrayed optical deviceMar 15, 01Mar 01, 05[G02B]
6625350 Fiber collimator arrayJan 22, 01Sep 23, 03[G02B]
6404955 System and method for fabricating arrayed optical fiber collimatorsJul 03, 01Jun 11, 02[G02B]
5173178 Water purifying apparatus with timed discharge after non-use periodsSep 24, 91Dec 22, 92[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0199,125 In-line optical isolatorAbandonedNov 15, 07Aug 21, 08[G02B]
4988972 Method for transmitting and receiving signals over transmission power linesExpiredOct 10, 89Jan 29, 91[H04M]
4744093 Method of detecting phase pulse signals from an AC distribution lineExpiredJun 13, 86May 10, 88[G08B]
4563679 Carrier control method by using phase-pulse signalsExpiredMar 23, 83Jan 07, 86[H04Q, G08C]

Top Inventors for This Owner

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