ON

Osamu Naruse

Ricoh Company: 34 patents #505 of 9,818Top 6%
📍 Hadano, JP: #23 of 1,025 inventorsTop 3%
Overall (All Time): #103,584 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
6799012 Cleaning device and image forming apparatus using the same Masahiko Shakuto, Yasushi Nakazato, Naomi Sugimoto 2004-09-28
5818482 Ink jet printing head Yoshihisa Ohta, Shuzo Matsumoto, Taeko Murai, Hideyuki Makita, Tsutomu Sasaki +3 more 1998-10-06
5270740 Ink jet head Hiromichi Komai, Toshio Inada, Toshitaka Hirata, Kenichi Ichikawa, Tomoaki Nakano +4 more 1993-12-14
5260723 Liquid jet recording head Minoru Ameyama, Syuzo Matsumoto, Hiromichi Komai, Tositaka Hirata 1993-11-09
5146236 Ink jet record apparatus Tositaka Hirata, Minoru Ameyama, Hiromichi Komai, Syuzo Matsumoto, Tomoaki Nakano 1992-09-08
4847631 Charge and deflection control type ink jet printer Sadao Kakeno, Chuji Ishikawa, Satoshi Sekimoto, Masanori Horike 1989-07-11
4800398 Ink-jet printer with an encased printer head unit Chuji Ishikawa, Sadao Kakeno, Kyuhachiro Iwasaki 1989-01-24
4677845 Device for detecting viscosity of liquid Kouji Izumi, Masanori Horike, Tatsuya Furukawa, Hiromichi Komai, Yutaka Ebi 1987-07-07
4429317 Ink ejection head Michio Umezawa, Tatsuya Furukawa, Tamio Ohori, Isokazu Furukawa, Sadao Kakeno 1984-01-31