Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Mitsuru Watabe

Hitachi: 54 patents #236 of 28,497Top 1%
HSHitachi Microcomputer System: 10 patents #1 of 257Top 1%
HEHitachi Vlsi Engineering: 10 patents #77 of 666Top 15%
RTRenesas Technology: 5 patents #592 of 3,337Top 20%
HCHitachi Engineering Co.: 4 patents #38 of 572Top 7%
HCHitachi Car Engineering Co.: 2 patents #204 of 465Top 45%
HCHitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
Overall (All Time): #38,259 of 4,157,543Top 1%
61 Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
5530965 Multiply connectable microprocessor and microprocessor system Shumpei Kawasaki, Kaoru Fukada, Kouki Noguchi, Kiyoshi Matsubara, Isamu Mochizuki +4 more 1996-06-25
5504912 Coprocessor executing pipeline control for executing protocols and instructions Shigeki Morinaga, Norio Nakagawa, Mamoru Ohba, Hiroyuki Kida, Hisashi Kaziwara +2 more 1996-04-02
5418932 Generation of width modulated pulses by relatively adjusting rising and falling edges upon comparison of counter with programmably stored values Sanshiro Obara, Rika Oue, Shigeki Morinaga 1995-05-23
5349351 Analog-digital converting device Sanshiro Obara, Rika Minami, Shigeki Morinaga 1994-09-20
5293558 Multiplication, division and square root extraction apparatus Masahisa Narita, Hisashi Kaziwara, Takeshi Asai, Shigeki Morinaga, Hiroyuki Kida +5 more 1994-03-08
5289517 Digital pulse processing device Mamoru Ohba, Rika Minami, Sanshiro Obara 1994-02-22
5089955 Programmable counter/timer device with programmable registers having programmable functions Shigeki Morinaga 1992-02-18
4930100 Programmable pulse input/output processing unit having register types specified by instructions Shigeki Morinaga 1990-05-29
4922175 Position/speed detection method and apparatus Yasuyuki Sugiura, Shigeki Morinaga, Kunio Miyashita, Hiroshi Sugai 1990-05-01
4888685 Data conflict prevention for processor with input/output device Shigeki Morinaga 1989-12-19
4621224 Position/speed detection method and apparatus Shigeki Morinaga, Yasuyuki Sugiura, Tadashi Takahashi 1986-11-04