YC

Yasuji Chikaoka

Brother Kogyo: 12 patents #734 of 2,767Top 30%
BI Brother Industries: 2 patents #146 of 325Top 45%
NE Nippon Telecommunication Engineering: 2 patents #4 of 12Top 35%
📍 Yokohama, JP: #344 of 480 inventorsTop 75%
Overall (All Time): #357,357 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5912526 Layered-type piezoelectric element and method for producing the layered-type piezoelectric element Yasuo Okawa, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1999-06-15
5860202 Method for producing a layered piezoelectric element Yasuo Okawa, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1999-01-19
5639508 Method for producing a layered piezoelectric element Yasuo Okawa, Atsuo Sakaida, Yoshihumi Suzuki, Yoshiyuki Ikezaki 1997-06-17
5406164 Multilayer piezoelectric element Yasuo Okawa, Yasuo Imoto 1995-04-11
RE34823 Device for magnifying displacement of piezoelectric element or the like and method of producing same Atsuo Sakaida, Yasuo Imoto, Akira Iriguchi, Yoshiyuki Ikezaki 1995-01-10
5344246 Printer having a vibrating platen Yasuo Imoto, Akira Iriguchi, Atsuo Sakaida, Akira Ninomiya 1994-09-06
5056941 Print head assembly of a printing device Shigeki Kato, Yoshihumi Suzuki, Miyuki Morimoto, Hiroyuki Watanabe, Noriyuki Yoneyana 1991-10-15
5028834 Device for magnifying displacement of piezoelectric element and method of producing same Atsuo Sakaida, Yoshiyuki Ikezaki, Akira Iriguchi, Yasuo Imoto 1991-07-02
4979275 Device for magnifying displacement of piezoelectric element or the like and method for producing same Atsuo Sakaida, Yoshiyuki Ikezaki, Akira Iriguchi, Yasuo Imoto 1990-12-25
4874978 Device for magnifying displacement of piezoelectric element or the like and method of producing same Atsuo Sakaida, Yasuo Imoto, Akira Iriguchi, Yoshiyuki Ikezaki 1989-10-17
4767226 Print head with wires which continuously contact the tip guide Atsuo Sakaida, Masafumi Kawaura, Hiroshi Iwata, Kiyomitsu Asano 1988-08-30
4750914 Method of manufacturing cast-iron bonded diamond wheel Kenichi Watanabe 1988-06-14
4634301 Print head with torsion spring Atsuo Sakaida, Masafumi Kawaura, Hiroshi Iwata, Kiyomitsu Asano 1987-01-06
4571101 Print head Atsuo Sakaida, Masafumi Kawaura, Hiroshi Iwata, Kiyomitsu Asano 1986-02-18