TK

Tutomu Kawasaki

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HS Hitachi Tohbu Semiconductor: 3 patents #58 of 223Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,181,589 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9878224 Rod-like object for ball games and method for using the same Takahito Suzuki, Kouji Takigami 2018-01-30
4997243 Method of mounting a light emitting chip and an optical fiber on a photoelectric device Kunio Aiki, Atsushi Sasayama, Tugio Nemoto, Makoto Haneda, Satoru Ishii +1 more 1991-03-05
4920262 Photoelectric device with leads Kunio Aiki, Atsushi Sasayama, Tugio Nemoto, Makoto Haneda, Satoru Ishii +1 more 1990-04-24
4803361 Photoelectric device with optical fiber and laser emitting chip Kunio Aiki, Atsushi Sasayama, Tugio Nemoto, Makoto Haneda, Satoru Ishii +1 more 1989-02-07