HO

Hiroshi Ohtsuka

GR Graphtec: 4 patents #5 of 62Top 9%
OC Oki Electric Industry Co.: 3 patents #700 of 2,807Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
ML Mitsubishi Pencil Company, Limited: 2 patents #127 of 302Top 45%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
KA Kao: 1 patents #1,961 of 3,221Top 65%
LI Luma Telecom Incorporated: 1 patents #6 of 12Top 50%
CH Chisso: 1 patents #468 of 833Top 60%
Overall (All Time): #251,010 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D977002 X-Y plotter for cutting Takahisa Umezawa 2023-01-31
D972006 X-Y plotter for cutting Takahisa Umezawa 2022-12-06
D951341 X-Y plotter for cutting Takahisa Umezawa 2022-05-10
9994066 Erasing implement and writing implement provided with erasing implement Sakae Hayao, Tsuyoshi Nishida 2018-06-12
9519255 Label printer Shinichi Sasaki, Susumu Shoji 2016-12-13
9409438 Writing instrument with erasing member 2016-08-09
7995812 X-ray image processing system and method thereof 2011-08-09
7079379 Cooling device high voltage electrical unit for motor of vehicle, and hybrid vehicle Hiroo Yamaguchi, Osamu Hasegawa, Toshiyuki Matsuoka, Koshiro Fuchibe, Kunio Hasegawa +1 more 2006-07-18
7051825 Structure for installing high-voltage equipment component to vehicle Ritsuo Masui 2006-05-30
6637629 Immersion nozzle Etuhiro Hasebe, Kouji Enomoto 2003-10-28
5705473 Nonionic powdery detergent composition containing an aluminosilicate builder and a silicon-containing oil absorbing carrier Mutsumi Kuroda, Hiroyuki Yamashita, Mikio Sakaguchi, Hiroyuki Kondo, Kouichi Hatano +1 more 1998-01-06
5342713 Phase shifting mask Kazutoshi Abe, Takashi Taguchi 1994-08-30
5062435 Hair comb with absorbant pad 1991-11-05
4962521 Apparatus for still picture video telephone apparatus and methods for transmitting and displaying still picture image for use therein Fumiaki Komatsu, Junichi Sakamoto, Hitoshi Fujimoto, Kazuyuki Saigusa, Akifumi Kabasawa +2 more 1990-10-09
4943994 Still picture picturephone communications system Yutaka Ueno, Lawrence D. Emmons, James S. Mackley 1990-07-24
4824254 Alignment marks on semiconductor wafers and method of manufacturing the marks Yoshio Itoh, Tadashi Nishimuro, Hisamitsu Mitsutomi 1989-04-25
4640888 Alignment mark on a semiconductor and a method of forming the same Yoshio Itoh, Tadashi Nishimuro, Norio Moriyama 1987-02-03
4564557 Thermoset acrylic resin composition for coating metallic materials and stainless steel coated with the composition Masuhito Ohgushi, Tsutomu Asaba, Hironobu Hoshi, Kenichi Goshokubo, Takeo Wakui +3 more 1986-01-14