IM

Ikuo Matsumoto

VJ Victor Company Of Japan: 15 patents #65 of 1,489Top 5%
MC Murata Manufacturing Co.: 10 patents #773 of 5,295Top 15%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Rohm Co.: 3 patents #810 of 2,292Top 40%
Overall (All Time): #108,796 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
8072863 Optical recording method, optical recording apparatus and optical storage medium Hiroshi Tabata, Kenji Tokui, Shinji Higuchi 2011-12-06
7668071 Phase-change optical recording medium having tracking signal smaller than saturation value Kenichi Shimomai, Kazuo Yonehara, Kenji Tokui, Hiroshi Tabata 2010-02-23
7564769 Phase-change recording medium having the relation between pulse patterns and reflectivity of un-recorded section Hiroshi Tabata, Kenji Tokui, Kazuo Yonehara, Kenichi Shimomai 2009-07-21
7376065 Optical recording method, optical recording apparatus and optical storage medium Hiroshi Tabata, Kenji Tokui, Kazuo Yonehara, Kenichi Shimomai 2008-05-20
7336596 Optical storage medium Kenji Tokui, Kenichi Shimomai, Hiroshi Tabata, Kazuo Yonehara 2008-02-26
6751086 Structure of surface-mounting solid electrolytic capacitor and method of making the same 2004-06-15
5935703 Magnetic recording medium and binder for use with magnetic coating in the magnetic recording medium Takayuki Deno, Tsutomu Yashiro, Osamu Kobayashi, Noboru Watanabe, Masaru Hanayama +2 more 1999-08-10
5648150 Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder Yasushi Nagayama, Osamu Kobayashi 1997-07-15
5611129 Method of making a packaged piezoelectric oscillator Hisaya Yoshimoto, Shigeru Kambara 1997-03-18
5506463 Packaged piezoelectric oscillator and method of making the same Hisaya Yoshimoto, Shigeru Kambara 1996-04-09
5502344 Packaged piezoelectric oscillator incorporating capacitors and method of making the same Hisaya Yoshimoto, Shigeru Kambara 1996-03-26
5419961 Magnetic recording medium with specified transverse and machine direction Young's modulus of the polyester film base Osamu Kobayashi, Takayuki Deno 1995-05-30
5374479 Magnetic recording medium comprising 4,5-dichloro-2-octyl-4-isothiazoline-3-one anti mold agent in the magnetic layer or backcoat layer Makoto Hirama 1994-12-20
5185311 Catalytic composite for purifying exhaust gases and a method for preparing the same Kenji Tabata, Hiroshi Fukuda 1993-02-09
5145648 Exhaust smoke purifier apparatus Shinjirou Miyahara, Kenji Tabata, Hiroshi Fukuda 1992-09-08
5057482 Catalytic composite for purifying exhaust gases and a method for preparing the same Hiroshi Fukuda, Kenji Tabata 1991-10-15
4759980 Magnetic recording medium having two types of polyester binders in a magnetic recording layer Kuniharu Fujiki, Satoshi Sekiya 1988-07-26
4748143 Perovskite-type oxidation catalysts and method for preparing the catalysts Kenji Tabata 1988-05-31
4708906 Magnetic recording medium comprising an undercoat layer made of specific type of resin composition Satoshi Sekiya, Kuniharu Fujiki 1987-11-24
4699817 Magnetic recording medium Kuniharu Fujiki 1987-10-13
4697116 Piezoelectric vibrator Takeshi Nakamura, Hiroshi Nishiyama 1987-09-29
4671995 Magnetic recording medium comprising an undercoating made of a mixture of thermosetting polyurethane and polyester resins Satoshi Sekiya, Kuniharu Fujiki 1987-06-09
4658173 Piezoelectric vibrator and method of adjusting vibrating frequency thereof Takeshi Nakamura 1987-04-14
4651042 Piezoelectric vibrator and manufacturing method thereof Takeshi Nakamura, Kenji Ando 1987-03-17
4649310 Piezoelectric vibrating element Takeshi Nakamura, Kenji Ando 1987-03-10