MS

Masami Shirai

PE Pentax: 21 patents #75 of 761Top 10%
PE Pentax: 21 patents #13 of 396Top 4%
PC Pentax Precision Co.: 8 patents #1 of 20Top 5%
AK Asahi Seimitsu Kabushiki Kaisha: 2 patents #18 of 40Top 45%
Overall (All Time): #74,031 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
6350975 Beam splitter for automatic focusing device 2002-02-26
6344639 Beam splitter for automatic focusing device 2002-02-05
6339499 Beam splitter for automatic focusing device 2002-01-15
6331918 Light interception structure for an automatic focus detection surveying instrument 2001-12-18
6324024 Reflector for distance measurement Atsumi Kaneko 2001-11-27
6304079 Incremental rotary encoder for measuring horizontal or vertical angles Katsuhiko Kenjo 2001-10-16
6194694 Surveying instrument 2001-02-27
6072642 Focusing lens position detection apparatus and an auto-focus surveying apparatus 2000-06-06
5992031 Handgrip supporting mechanism for electric devices 1999-11-30
5949548 Height sensing measurement device Atsumi Kaneko 1999-09-07
5671466 Electrophotographic apparatus and sheet guide mechanism Satoshi Hokamura, Kazuhiro Ichinokawa, Takaaki Yano, Masatoshi Takano, Masakazu Hirano +5 more 1997-09-23
5528352 Electrophotographic apparatus having original separation means Kazuhiro Ichinokawa, Kenichiro Otsuka, Satoshi Hokamura, Eiichi Ito, Takaaki Yano +5 more 1996-06-18
5452072 Transfer unit mounted on a pivotal upper cover Kazuhiro Ichinokawa, Kenichiro Otsuka, Takaaki Yano, Masatoshi Takano, Satoshi Hokamura +5 more 1995-09-19
5338021 Paper feeding mechanism 1994-08-16
5321479 Electrophotographic apparatus Tatsuya Yoshida, Mikio Horie, Kazuhiro Ichinokawa, Tomoyuki Nishikawa, Takaaki Yano +6 more 1994-06-14
5297787 Sheet cassette 1994-03-29
4971034 Body cavity pressure adjusting device for endoscope and laser medical treatment apparatus including body cavity pressure adjusting device Yuzuru Doi, Ryoji Honda, Hitoshi Osawa 1990-11-20