TK

Toshio Koike

Ricoh Company: 72 patents #81 of 9,818Top 1%
IC Iwatsu Electric Co.: 6 patents #6 of 212Top 3%
UL Ulvac: 5 patents #67 of 680Top 10%
AC Ajinomoto Co.: 3 patents #592 of 2,190Top 30%
NC Nitto Chemical Industry Co.: 1 patents #86 of 179Top 50%
MO Moritex: 1 patents #20 of 50Top 40%
NG Nihon Shinku Gijutsu: 1 patents #54 of 128Top 45%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
RL Ricoh Company, Limted: 1 patents #1 of 26Top 4%
Overall (All Time): #17,160 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 76–92 of 92 patents

Patent #TitleCo-InventorsDate
6990305 Charging device using a charge roller and image forming apparatus including the same Akio Kosuge, Yutaka Narita 2006-01-24
6873814 Developing device using a two-ingredient type developer and image forming apparatus including the same Tokuya Ohjimi, Fumihiro Sasaki, Hiroto Higuchi, Maiko Kondo, Atsushi Sampe +4 more 2005-03-29
6856774 Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device Atsushi Sampe, Takeyoshi Sekine, Masayuki Yamane, Tokuya Ohjimi, Junichi Sano +4 more 2005-02-15
6673316 Synthesis experiment automating system, liquid separating treating apparatus and reaction vessel Hideho Okamoto, Kouji Deuchi, Hirokazu Murata, Norihiko Hirata, Kenji Tani +2 more 2004-01-06
5816703 Method of detecting defects of a structure Kenichiro Yamazaki, Kiyotaka Kawase, Susumu Harashima 1998-10-06
5734163 Zero method of controlling quadrupole mass spectrometer and control circuit arrangement to carry out this method Tomonao Hayashi, Osamu Tsukakoshi, Takashi Kawashima 1998-03-31
5660792 Automatic solid phase extraction device with interchangeable nozzle holder head 1997-08-26
5335047 Printing plate making apparatus for two different kinds of masters Masanori Kai, Satoshi Okabe, Nobuyoshi Hatori, Tamio Iwamoto 1994-08-02
5329331 Post-processing apparatus with solution's temperature detector Nobuyoshi Hatori 1994-07-12
5311247 Plate making machine Nobuyoshi Hatori 1994-05-10
5305650 Automatic preparation apparatus Toshiyuki Mochizuki, Keiko Gondo 1994-04-26
4974458 Automatic preparation apparatus and support arm 1990-12-04
4951513 Automatic preparation apparatus and filter therefor 1990-08-28
4923089 Parts feed apparatus Kazuhiro Hineno 1990-05-08
4907792 Sheet guide adjusting apparatus Morimasa Washiashi 1990-03-13
4297024 Exposure device of an electrographic copying apparatus Kiyohito Ebisawa, Satoshi Hisabayashi, Kazuyuki Hashimoto 1981-10-27
4268162 Electrographic copying apparatus Kiyohito Ebisawa, Satoshi Hisabayashi, Kazuyuki Hashimoto, Mitsuo Kuromori 1981-05-19