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SAKAI SEIJI

Overview
  • Total Patents
    11
About

SAKAI SEIJI has a total of 11 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and United States. Its main competitors in its focus markets optics, medical technology and engines, pumps and turbines are GLOBAL SURGICAL CORP, ZHENJIANG XINTIAN MEDICAL DEVICES CO LTD and HAMILTON THORNE INC.

Patent filings in countries

World map showing SAKAI SEIJIs patent filings in countries
# Country Total Patents
#1 Japan 7
#2 United States 4

Patent filings per year

Chart showing SAKAI SEIJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sakai Seiji 11
#2 Mitani Takahiko 1
#3 Yamashita Tomoaki 1
#4 Kawauchi Masahiro 1
#5 Ishida Yuuya 1
#6 Iwasaki Seiji 1

Latest patents

Publication Filing date Title
US2009185032A1 Image pickup apparatus, electronic endoscope, and lens unit
JPH10232689A Travel sound given to electric vehicle (ev)
JPH0944095A Magnetic plate advertising tool for vehicle
JPH01280181A Transportation of building
JPS6137401A Antiseptic wood and manufacture thereof
JPS5934356A Building material utilizing rubber magnet
JPS5563987A Method for mooring large-sized floating material
JPS5151952A Meganewakuno furontobu niokeru fuchikazarino seisakuhoho