SK

Seiichi Kobayashi

MC Mitsui Chemicals: 40 patents #2 of 2,279Top 1%
EI Eisai: 26 patents #15 of 998Top 2%
ML Mitsubishi Pencil Company, Limited: 12 patents #15 of 302Top 5%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
MI Mitsui Toatsu Chemicals, Incorporated: 6 patents #227 of 1,543Top 15%
EC Eisai R&D Management Co.: 4 patents #183 of 817Top 25%
TC Toko Co.: 3 patents #34 of 196Top 20%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
Nsk: 3 patents #483 of 1,559Top 35%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
MK Mitsubishi Pencil Kabushikikaisha: 2 patents #10 of 34Top 30%
KC Kotobuki & Co.: 1 patents #47 of 77Top 65%
HC Hopnic Laboratory Co.: 1 patents #3 of 9Top 35%
NU National University Corporation Hokkaido University: 1 patents #278 of 825Top 35%
DA Daicel: 1 patents #265 of 523Top 55%
📍 Oomuta, MA: #1 of 1 inventorsTop 100%
Overall (All Time): #11,294 of 4,157,543Top 1%
113
Patents All Time

Issued Patents All Time

Showing 76–100 of 113 patents

Patent #TitleCo-InventorsDate
5915871 Ball-point pen cap Kazuhiko Furukawa, Hiroaki Koyama, Toru Kitao 1999-06-29
5916987 Thiol and Sulfur-containing O-(meth) acrylate compounds and use thereof Nobuya Kawauchi, Toshiyuki Suzuki, Masao Imai, Kenichi Fujii 1999-06-29
5909975 Multiplex writing implement 1999-06-08
5908876 Optical resin composition comprising a thiourethane prepolymer and use thereof Kenichi Fujii, Nobuya Kawauchi, Toshiyuki Suzuki, Masao Imai 1999-06-01
5899618 Multiplex writing implement Hiroyuki Mutou 1999-05-04
5901320 Communication system configured to enhance system reliability using special program version management Souichi Takahashi 1999-05-04
5890825 Composite writing instrument Hidehei Kageyama, Yoshio Noguchi, Naoki Sekuguchi 1999-04-06
5843918 Anti-endotoxin compounds William J. Christ, Lynn Hawkins, Tsutomu Kawata, Daniel P. Rossignol, Osamu Asano 1998-12-01
5786678 Method and apparatus for automatically adjusting a gain of a servomechanism Ichiro Miura 1998-07-28
5756718 Anti-endotoxin compounds William J. Christ, Lynn Hawkins, Tsutomu Kawata, Daniel P. Rossignol, Osamu Asano 1998-05-26
5756766 Composition for optical materials and use thereof Nobuya Kawauchi, Katsuyoshi Sasagawa 1998-05-26
5750664 Substituted liposaccharides useful in the treatment and prevention of endotoxemia William J. Christ, Daniel P. Rossignol, Tsutomu Kawata 1998-05-12
5711626 Ball-point pen with back flow stop Kazuhiko Furukawa, Hiroaki Koyama, Toru Kitao 1998-01-27
5709493 Ballpoint pen having a backflow preventing mechanism Kazuhiko Furukawa 1998-01-20
5693738 Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens Koju Okazaki, Chitoshi Shimakawa, Mamoru Tanaka, Yoshinobu Kanemura, Teruyuki Nagata +3 more 1997-12-02
5681824 Substituted liposaccharides useful in the treatment and prevention of endotoxemia William J. Christ, Daniel P. Rossignol, Tsutomu Kawata 1997-10-28
5678942 Ball-point pen Kazuaki Matsumoto, Toru Kitao 1997-10-21
5655847 Ball-point pen Kazuhiko Furukawa 1997-08-12
5652321 Composition for optical materials and use thereof Nobuya Kawauchi, Katsuyoshi Sasagawa 1997-07-29
5642953 Multiplex writing implement Naoki Sekiguchi 1997-07-01
5627969 Universal link configurator for physical link configurations in a data link node Taro Asao 1997-05-06
5612476 Anti-endotoxin compounds William J. Christ, Lynn Hawkins, Tsutomu Kawata, Daniel P. Rossignol, Osamu Asano 1997-03-18
5530113 Anti-endotoxin compounds William J. Christ, Lynn Hawkins, Tsutomu Kawata, Daniel P. Rossignol, Osamu Asano 1996-06-25
5352758 Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same Yoshinobu Kanemura, Katsuyoshi Sasagawa 1994-10-04
5306085 Multiplex writing implement with eraser 1994-04-26