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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 7 | |
#2 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Medical technology | |
#3 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Spring or inertia motors | |
#3 | Diagnosis and surgery |
# | 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 |
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 |