HN

Hiroshi Nishikawa

PE Pentax: 3 patents #35 of 186Top 20%
KS Kawasaki Steel: 1 patents #51 of 277Top 20%
KC Kyowa Hakko Kogyo Co.: 1 patents #32 of 115Top 30%
MI Mitsui Petrochemical Industries: 1 patents #62 of 219Top 30%
Overall (1994): #1,990 of 165,921Top 2%
6
Patents 1994

Issued Patents 1994

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5373437 Device for and method of reducing cross talk in optical disk device Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Ryota Ogawa, Masahiro Oono +2 more 1994-12-13
5356456 Method of degassing and decarburizing stainless molten steel Masanori Nishikohri, Hitoshi Ohsugi 1994-10-18
5344938 Indole 3-carboxylic acid derivatives Masaji Kasai, Hitoshi Arai, Takehiro Ogasa, Masahiko Kinugawa, Shinji Tomioka 1994-09-06
5324805 Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition Mamoru Kioka, Takashi Ueda, Masaya Yamada, Masaki Kohyama, Seiichi Ikeyama +4 more 1994-06-28
5297114 Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Ryoto Ogawa, Masahiro Oono +3 more 1994-03-22
5280464 Optical disk apparatus having a focusing error correcting system Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Ryota Ogawa, Masahiro Oono +2 more 1994-01-18