OI

Osamu Imai

NI Ngk Insulators: 17 patents #181 of 2,083Top 9%
IK Ishihara Sangyo Kaisha: 8 patents #44 of 403Top 15%
NC Nissin Electric Co.: 1 patents #95 of 208Top 50%
SC Shin-Etsu Handotai Co.: 1 patents #385 of 679Top 60%
SC Sumitomo Precision Products Co.: 1 patents #87 of 199Top 45%
Overall (All Time): #139,386 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
9199303 Metal filling apparatus Yukitaka Yamaguchi, Toshiji Takigawa, Toshihiro Hayami 2015-12-01
7655677 Composition and method for controlling house insect pest Masayuki Morita 2010-02-02
7262143 Semiconductive glaze product, method for producing the glaze product, and insulator coated with the glaze product Masaru Murase 2007-08-28
6599603 Silicon wafer Masahiro Kato, Masaro Tamatsuka, Akihiro Kimura, Tomosuke Yoshida 2003-07-29
6599647 Joined insulator body Noriyasu Oguri, Hironori Suzuki 2003-07-29
6103321 Method of manufacturing an ultraviolet resistant object Yasushi Fujinami, Akinori Ebe, Kiyoshi Ogata 2000-08-15
5584895 Process for preparing solidified material containing coal ash Shoji Seike, Junko Yoshizawa 1996-12-17
5393444 Piezoelectric semiconductor Yuji Asai 1995-02-28
5277843 Voltage non-linear resistor Kunio Ohira, Ritsu Sato 1994-01-11
5269971 Starting material for use in manufacturing a voltage non-linear resistor Ritsu Sato 1993-12-14
5250281 Process for manufacturing a voltage non-linear resistor and a zinc oxide material to be used therefor Ritsu Sato 1993-10-05
5248452 Process for manufacturing a voltage non-linear resistor Ritsu Sato 1993-09-28
5225111 Voltage non-linear resistor and method of producing the same 1993-07-06
5107242 Voltage non-linear resistor for gapped lightning arrestors and method of producing the same Ritsu Sato, Kunio Ohira 1992-04-21
5039971 Voltage non-linear type resistors Ritsu Sato 1991-08-13
4985449 N-benzoyl-N-pyridyloxy phenyl urea compounds and pesticide compositions containing them Takahiro Haga, Tadaaki Toki, Toru Koyanagi, Yasuhiro Fujii, Kiyomitsu Yoshida 1991-01-15
4933659 Voltage non-linear resistor and method of producing the same Koichi Umemoto 1990-06-12
4906964 Voltage non-linear resistor Ritsu Sato 1990-03-06
4861799 Benzoylurea compounds and pesticides containing them Takahiro Haga, Tadaaki Toki, Toru Koyanagi, Yasuhiro Fujii, Kiyomitsu Yoshida 1989-08-29
4855708 Voltage non-linear resistor Masami Nakata 1989-08-08
4783451 Organophosphorus, compounds and insecticidal, miticidal, nematicidal or soil pesticidal compositions containing them Takahiro Haga, Tadaaki Toki, Toru Koyanagi, Hiroshi Okada, Kiyomitsu Yoshida 1988-11-08
4730179 Voltage non-linear resistor and its manufacture Masami Nakata 1988-03-08
4724416 Voltage non-linear resistor and its manufacture Masami Nakata 1988-02-09
4719064 Voltage non-linear resistor and its manufacture Masami Nakata 1988-01-12
4645761 Organophosphorus compounds and insecticidal, miticidal, nematicidal or soil pesticidal compositions containing them Takahiro Haga, Tadaaki Toki, Toru Koyanagi, Hiroshi Okada, Kiyomitsu Yoshida 1987-02-24