IY

Isao Yokoyama

Tdk: 3 patents #1,522 of 3,796Top 45%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
KC Kansai Electric Power Co.: 2 patents #104 of 506Top 25%
MI Mitsubishi Cable Industries: 2 patents #97 of 372Top 30%
TA Tdk Electronics Ag: 1 patents #234 of 503Top 50%
TC The Coca-Cola: 1 patents #680 of 1,471Top 50%
Overall (All Time): #325,405 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8309149 Packing method and corresponding covers for hydrogen-reduced water or food production 2012-11-13
7831329 Optimization method of deposition time and an optimization system of deposition time Akira Tadano, Yusuke Inoue 2010-11-09
7280884 Optimization method of deposition time and an optimization system of deposition time Akira Tadano, Yusuke Inoue 2007-10-09
6386954 Thread forming tap and threading method Teruo Sawabe, Kazutoshi Sato 2002-05-14
5797710 Thread forming tap Teruo Sawabe, Kazutoshi Sato 1998-08-25
5456115 Method of counterflow through a pump and method of controlling the operation of a pump in a pumping installation Takao Kuwabara, Ezo Kita, Hiroto Nakagawa, Yasuteru Oono 1995-10-10
5396981 Flexible screw and transport apparatus comprising same Masaaki Ohtsuji, Naoki Ohmori, Kenjiro Ishihara, Shigeo Mori, Kazushi Miyake +1 more 1995-03-14
5295573 Flexible screw and transport apparatus comprising same Masaaki Ohtsuji, Naoki Ohmori, Kenjiro Ishihara, Shigeo Mori, Kazushi Miyake +1 more 1994-03-22
5090872 Method of controlling the operation of a pump in a pumping installation by detecting counterflow Takao Kuwabara, Ezo Kita, Hiroto Nakagawa, Yasuteru Oono 1992-02-25
4841267 Deflection apparatus for cathode ray tube Seiji Watabe, Tsutomu Maeda, Koichi Shibuya, Sumio Takahashi 1989-06-20
4816696 Variable-speed pumped-storage power generating system Akihiro Sakayori, Takao Kuwabara, Akira Brando, Yasuteru Oono, Shigeaki Hayashi +1 more 1989-03-28
4758808 Impedance element mounted on a pc board Yoshinori Sasaki, Toshio Watanabe 1988-07-19
4714908 Electromagnetic deflection-distortion corrector Seiji Watabe, Masanori Sasaki, Yotaro Toyoshima, Sumio Takahashi, Tsutomu Maeda 1987-12-22
4407000 Combined dipole and ferrite antenna Masanori Sasaki 1983-09-27
4302200 Process for extracting anthocyanin-type colors from natural products Takeshi Ono 1981-11-24