ST

Sadao Takahashi

Ricoh Company: 54 patents #183 of 9,818Top 2%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
BA Babcock-Hitachi: 3 patents #89 of 415Top 25%
MO Molex: 3 patents #511 of 1,726Top 30%
TE Tokyo Shibaura Electric: 2 patents #32 of 337Top 10%
JC Jujo Paper Co.: 1 patents #46 of 105Top 45%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TE Toshiba Electric Equipment: 1 patents #11 of 25Top 45%
Overall (All Time): #28,672 of 4,157,543Top 1%
71
Patents All Time

Issued Patents All Time

Showing 51–71 of 71 patents

Patent #TitleCo-InventorsDate
5512708 Toner used in an image forming apparatus Kouichi Yamazaki, Nobuo Kikuchi, Kentaro Matsumoto, Tadashi Hayakawa, Yoshiaki Miyashita +1 more 1996-04-30
5483738 Apparatus for making electrical harness having wire measuring apparatus equipped with anti-curling means Souichi Watanabe, Kazuaki Kamei 1996-01-16
5394231 Image forming apparatus capable of forming an erasable image Kazuhisa Sudo, Mitsuo Tanaka, Chikara Imai, Koji Suzuki, Norimasa Sohmiya 1995-02-28
5321483 Cleaning device for image forming equipment Masato Yokoyama, Masaru Tanaka 1994-06-14
5083020 Mass spectrometer 1992-01-21
5016237 Prism optics stable with respect to wavelength and temperature variations and optical information processing apparatus Shigeru Nakamura, Masateru Watanabe, Akira Arimoto 1991-05-14
4884396 Desulfurizing agent and process for treating hydrogen sulfide containing gas, coal gasification system and power generation system based on coal gasification using the desulfurizing agent Tomohiko Miyamoto, Shuntaro Koyama, Jinichi Tomuro, Atsushi Morihara, Hisao Yamashita +3 more 1989-12-05
4803355 Mass spectrometer 1989-02-07
4791454 Removable photoconductive element unit for image-forming apparatus Tsuyoshi Deki 1988-12-13
4760331 Spectrum display device Fumio Komuro 1988-07-26
4746467 Process for producing microcapsules Masahiro Sakamoto 1988-05-24
4634264 Photosensitive member of recording apparatus 1987-01-06
D286541 Photoconductor unit for copying machine Minoru Suzuki 1986-11-04
4563076 Imaging apparatus Yukihiro Ohno 1986-01-07
4427642 Process for dry desulfurization of flue gas Norio Arashi, Yukio Hishinuma, Hidetoshi Akimoto, Fumito Nakajima, Kenichi Gomi 1984-01-24
4412848 Heat recovery method from gasified products of hydrocarbon Shuntaro Koyama, Tomohiko Miyamoto, Shinji Tanaka, Hiroshi Miyadera 1983-11-01
4404620 Luminaire Nobuo Matsushita 1983-09-13
4346322 Elastic surface wave device Kouji Sato, Toshikazu Kodama 1982-08-24
4256963 Mass spectrometer Yoshiaki Katoh 1981-03-17
4245201 Elastic surface wave device Hitoshi Hirano, Sadao Matsumura 1981-01-13
4245200 Method of intermediate frequency filtration in a television receiver Hitoshi Hirano, Sadao Matsumura 1981-01-13