FS

Fumihiro Sasaki

Ricoh Company: 53 patents #196 of 9,818Top 2%
JG Japan Gore-Tex: 3 patents #12 of 90Top 15%
SC Sanyo Electric Co.: 3 patents #1,910 of 6,347Top 35%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
📍 Numazu, JP: #14 of 856 inventorsTop 2%
Overall (All Time): #40,296 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
6403275 Electrophotographic toner, and image forming method and apparatus using the toner Shinichi Kuramoto, Mitsuo Aoki, Hiroshi Yamashita, Tomio Kondou, Masahide Yamashita +2 more 2002-06-11
5789047 Flexible, multilayered tube Hiroshi Shinmen, Akira Suzuki, Keiichi Arai 1998-08-04
5771426 Developing device using a toner and carrier mixture Seiji Oka, Kiyonori Tsuda, Hajime Oyama, Satoshi Mochizuki, Takahisa Kato 1998-06-23
5659860 Developing device for an image forming apparatus and toner cartridge Satoshi Mochizuki, Hidefumi Gohhara, Megumi Sakakura, Seiji Oka, Hajime Oyama +2 more 1997-08-19
5652079 Carrier for dry two-component developer and method of producing the same Satoshi Mochizuki, Hidefumi Gohhara, Norio Yokoyama, Yutaka Sakai, Takahisa Kato +3 more 1997-07-29
5462586 Oil-and water repellent gas-permeable filter Norihide Sugiyama, Masaru Nakamura, Sumihiro Moriyama 1995-10-31
5409588 Electrochemical cell diaphragm and an electrochemical cell Naofumi Mushiake, Takayuki Wani, Hiroshi Kato, Takeshi Sagara 1995-04-25
4908290 Toner for developing latent electrostatic images Yoichiro Watanabe, Mitsuo Aoki, Tetsuo Isoda, Nobuhiro Nakayama, Karumi Kakigawa 1990-03-13
4758489 Toner for developing latent electrostatic images Masami Tomita, Satoru Inoue, Akio Matsui, Toshiki Nanya 1988-07-19