YY

Yasuo Yamashita

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
FD Fdk: 4 patents #40 of 324Top 15%
KM Kyushu Hitachi Maxell: 2 patents #12 of 65Top 20%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
Overall (All Time): #355,868 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7072191 Switching power source circuit for independent per cycle control of ON/OFF time ratio Fumiaki Nakao, Tetsuya Suzuki, Kazuo Takehara 2006-07-04
6975200 Microconverter and laminated magnetic-core inductor Fumiaki Nakao, Teruo Kiyomiya, Tetsuya Suzuki, Masayuki Inagaki, Mikio Kitaoka 2005-12-13
6885278 Microconverter and laminated magnetic-core inductor Fumiaki Nakao, Teruo Kiyomiya, Tetsuya Suzuki, Masayuki Inagaki, Mikio Kitaoka 2005-04-26
6809622 Coil Device Toru Hirohashi, Kiyoshi Hironaka, Masaki Shinoda 2004-10-26
6326630 Ion implanter 2001-12-04
6104025 Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer Katsumi Tokiguchi, Takayoshi Seki, Kensuke Amemiya, Kazuo Mera, Isao Hashimoto +1 more 2000-08-15
5945681 Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer Katsumi Tokiguchi, Takayoshi Seki, Kensuke Amemiya, Kazuo Mera, Isao Hashimoto +1 more 1999-08-31
5753923 Ion injection device and method therefor Kazuo Mera, Isao Hashimoto, Minoru Fujimoto, Kouji Ishiguro 1998-05-19
5745995 Electric shaver with swinging cutter unit Satoshi Takami 1998-05-05
5443548 Cryogenic refrigeration system and refrigeration method therefor Norihide Saho, Hisashi Isogami, Hiroyuki Kawakami, Taisei Uede 1995-08-22
5426949 Vacuum vessel having a cooled member Norihide Saho, Hisanao Ogata, Takeo Nemoto, Taisei Uede 1995-06-27
5014428 Rotary type electric razor 1991-05-14
4613529 Inclined artifical fur and method of manufacturing the same Yoshiteru Kiyomura, Shunroku Tohyama 1986-09-23
4245992 Discharge printing process for cellulosic fabrics using a quaternary amine polymer Masami Ikeyama, Takao Nishikawa 1981-01-20