MT

Masaharu Tanaka

TO Toyota: 13 patents #2,130 of 26,838Top 8%
AC Asahi Glass Co.: 12 patents #147 of 2,251Top 7%
Sumitomo Electric Industries: 10 patents #2,734 of 21,551Top 15%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
AC Aisin Aw Co.: 4 patents #484 of 2,011Top 25%
SC Sansha Electric Manufacturing Co.: 4 patents #21 of 93Top 25%
MC Mitsui Engineering & Shipbuilding Co.: 2 patents #87 of 496Top 20%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
RO Roland: 1 patents #161 of 292Top 60%
DC Dohkai Chemical Industry Co.: 1 patents #6 of 8Top 75%
JT Japan Tobacco: 1 patents #582 of 1,187Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
KC Kyosan Denki Co.: 1 patents #47 of 129Top 40%
NC Nissin Foods Holdings Co.: 1 patents #42 of 96Top 45%
Overall (All Time): #45,992 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
6891062 Pharmaceutical composition for treatment of diseases associated with decrease in bone mass Hiroji Oida 2005-05-10
6880908 Inkjet recording apparatus Kensei Ootsubo, Tadashi Maki 2005-04-19
6847829 Multiband high-frequency switch Hideaki Nakakubo, Yasushi Nagata 2005-01-25
6835968 High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment Shoichi Kitazawa, Toshio Ishizaki, Toru Yamada 2004-12-28
6834938 Ink jet recording apparatus Tadashi Maki, Takashi Yoshihara 2004-12-28
6711296 Apparatus for performing loss-less compression-coding of adaptive evolution type on image data Tetsuya Higuchi, Takio Kurita, Hidenori Sakanashi 2004-03-23
6586786 High frequency switch and mobile communication equipment Shoichi Kitazawa, Toshio Ishizaki, Toru Yamada 2003-07-01
6572211 Inkjet recording apparatus Kensei Ootsubo, Tadashi Maki, Yutaka Miyazono, Shinichi Michiyama 2003-06-03
6531222 Fine hollow glass sphere and method for preparing the same Hachiro Hirano, Kenji Yamada 2003-03-11
6482379 Sodium-based dechlorinating agent and waste treatment equipment Tomio Sugimoto, Masumi Itaya, Yoshinao Hirano, Hiroaki Harada, Hachiro Hirano +2 more 2002-11-19
6478878 Blasting medium and blasting method Hachiro Hirano, Makoto Yoshida 2002-11-12
6451862 Process for producing a spherical silica gel Makoto Kusaka, Hachiro Hirano, Hiroo Mori 2002-09-17
6352653 Acid component-removing agent, method for producing it and method for removing acid components Hachiro Hirano, Makoto Yoshida, Hiroaki Noda, Shigeru Sakurai, Makoto Kusaka 2002-03-05
6281449 Printed board, manufacturing method therefor and structure for connecting conductor elements to the printed board Satoshi Nakamura 2001-08-28
6077341 Silica-metal oxide particulate composite and method for producing silica agglomerates to be used for the composite Kunihiko Terase, Masaki Inoue, Eiichi Ono, Takayoshi Sasaki 2000-06-20
D410581 Wristwatch 1999-06-08
5831240 Power supply apparatus Masao Katooka, Toru Arai, Shigeru Okamoto, Kenzo Danjo 1998-11-03
5756001 High concentration alumina sol of low viscosity Hiroo Mori, Hachirou Hirano, Kunihiko Terase 1998-05-26
5757638 Power supply apparatus Masao Katooka, Toru Arai, Shigeru Okamoto, Kenzo Danjo 1998-05-26
D386148 Portable power supply unit with AC-DC converter Masao Katooka, Toru Arai, Shigeru Okamoto, Kenzo Danjo 1997-11-11
D377335 Portable power supply unit with AC-DC converter Masao Katooka, Toru Arai, Shigeru Okamoto, Kenzo Danjo 1997-01-14
5441232 Solenoid valve 1995-08-15
5400268 Vehicle speed determining device having means for accurate determination of zeroing of vehicle speed Toshihiro Katsuda, Shinji Sekido, Setsuo Tokoro, Tatsuo Kyushima 1995-03-21
5393278 Shift control apparatus for shifting up transmission upon re-acceleration following deceleration of vehicle Tatsuo Kyushima 1995-02-28
5307821 Tobacco raw material and method for its production Katsutoshi Misuda, Hitoshi Kijimuta, Kouichi Numata, Yoshinori Katayama, Iku Tomari +1 more 1994-05-03